ObjectStreamException.java: New file.

	* java/io/ObjectStreamException.java: New file.
	* java/io/OptionalDataException.java: New file.
	* java/io/StreamCorruptedException.java: New file.
	* java/math/BigDecimal.java: New file.
	* java/sql/CallableStatement.java: New file.
	* java/sql/Connection.java: New file.
	* java/sql/DataTruncation.java: New file.
	* java/sql/DatabaseMetaData.java: New file.
	* java/sql/Date.java: New file.
	* java/sql/Driver.java: New file.
	* java/sql/DriverManager.java: New file.
	* java/sql/DriverPropertyInfo.java: New file.
	* java/sql/PreparedStatement.java: New file.
	* java/sql/ResultSet.java: New file.
	* java/sql/ResultSetMetaData.java: New file.
	* java/sql/SQLException.java: New file.
	* java/sql/SQLWarning.java: New file.
	* java/sql/Statement.java: New file.
	* java/sql/Time.java: New file.
	* java/sql/Timestamp.java: New file.
	* java/sql/Types.java: New file.
	* Makefile.am: Added above new files.
	* Makefile.in: Rebuilt.

	* mauve-libgcj: Turned on java.math, java.sql and java.security tests.
	* java/net/MulticastSocket.java (MulticastSocket): Pass values a la
	DatagramSocket constructor instead of null.

java.sql is JDK 1.1 Compliant

From-SVN: r33077

1 files changed, 2460 insertions, 0 deletions

diff --git a/libjava/java/sql/DatabaseMetaData.java b/libjava/java/sql/DatabaseMetaData.java
new file mode 100644
index 0000000..d0f4e1a
--- /dev/null
+++ b/libjava/java/sql/DatabaseMetaData.java
@@ -0,0 +1,2460 @@
+/* DatabaseMetaData.java -- Information about the database itself.
+   Copyright (C) 1999, 2000 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+ 
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
+package java.sql;
+
+/**
+  * This interface provides a mechanism for obtaining information about
+  * the database itself, as opposed to data in it.
+  *
+  * @author Aaron M. Renn (arenn@urbanophile.com)
+  */
+public interface DatabaseMetaData
+{
+
+/**
+  * The best row may or may not be a pseudo-column.
+  */
+public static final int bestRowUnknown = 0;
+
+/**
+  * The best row identifier is not a pseudo-column.
+  */
+public static final int bestRowNotPseudo = 1;
+
+/**
+  * The best row identifer is a pseudo-column.
+  */
+public static final int bestRowPseudo = 2;
+
+/**
+  * The best row's scope is only guaranteed to be valid so long as the
+  * row is actually being used.
+  */
+public static final int bestRowTemporary = 0;
+
+/**
+  * The best row identifer is valid to the end of the transaction.
+  */
+public static final int bestRowTransaction = 1;
+
+/**
+  * The best row identifer is valid to the end of the session.
+  */
+public static final int bestRowSession = 2;
+
+/**
+  * It is unknown whether or not the procedure returns a result.
+  */
+public static final int procedureResultUnknown = 0;
+
+/**
+  * The procedure does not return a result.
+  */
+public static final int procedureNoResult = 1;
+
+/**
+  * The procedure returns a result.
+  */
+public static final int procedureReturnsResult = 2;
+
+/**
+  * The column type is unknown.
+  */
+public static final int procedureColumnUnknown = 0;
+
+/**
+  * The column type is input.
+  */
+public static final int procedureColumnIn = 1;
+
+/**
+  * The column type is input/output.
+  */
+public static final int procedureColumnInOut = 2;
+
+/**
+  * The column type is output
+  */
+public static final int procedureColumnOut = 4;
+
+/**
+  * The column is used for return values.
+  */
+public static final int procedureColumnReturn = 5;
+
+/**
+  * The column is used for storing results
+  */
+public static final int procedureColumnResult = 3;
+
+/**
+  * NULL values are not allowed.
+  */
+public static final int procedureNoNulls = 0;
+
+/**
+  * NULL values are allowed.
+  */
+public static final int procedureNullable = 1;
+
+/**
+  * It is unknown whether or not NULL values are allowed.
+  */
+public static final int procedureNullableUnknown = 2;
+
+/**
+  * The column does not allow NULL
+  */
+public static final int columnNoNulls = 0;
+
+/**
+  * The column does allow NULL
+  */
+public static final int columnNullable = 1;
+
+/**
+  * It is unknown whether or not the column allows NULL
+  */
+public static final int columnNullableUnknown = 2;
+
+/**
+  * It is unknown whether or not the version column is a pseudo-column.
+  */
+public static final int versionColumnUnknown = 0;
+
+/**
+  * The version column is not a pseudo-column
+  */
+public static final int versionColumnNotPseudo = 1;
+
+/**
+  * The version column is a pseudo-column
+  */
+public static final int versionColumnPseudo = 2;
+
+/**
+  * Foreign key changes are cascaded in updates or deletes.
+  */
+public static final int importedKeyCascade = 0;
+
+/**
+  * Column may not be updated or deleted in use as a foreign key.
+  */
+public static final int importedKeyRestrict = 1;
+
+/**
+  * When primary key is updated or deleted, the foreign key is set to NULL.
+  */
+public static final int importedKeySetNull = 2;
+
+/**
+  * If the primary key is a foreign key, it cannot be udpated or deleted.
+  */
+public static final int importedKeyNoAction = 3;
+
+/**
+  * If the primary key is updated or deleted, the foreign key is set to
+  * a default value.
+  */
+public static final int importedKeySetDefault = 4;
+
+/**
+  * Wish I knew what this meant.
+  */
+public static final int importedKeyInitiallyDeferred = 5;
+
+/**
+  * Wish I knew what this meant.
+  */
+public static final int importedKeyInitiallyImmediate = 6;
+
+/**
+  * Wish I knew what this meant.
+  */
+public static final int importedKeyNotDeferrable = 7;
+
+/**
+  * A NULL value is not allowed for this data type.
+  */
+public static final int typeNoNulls = 0;
+
+/**
+  * A NULL value is allowed for this data type.
+  */
+public static final int typeNullable = 1;
+
+/**
+  * It is unknown whether or not NULL values are allowed for this data type.
+  */
+public static final int typeNullableUnknown = 2;
+
+/**
+  * Where clauses are not supported for this type.
+  */
+public static final int typePredNone = 0;
+
+/**
+  * Only "WHERE..LIKE" style WHERE clauses are allowed on this data type.
+  */
+public static final int typePredChar = 1;
+
+/**
+  * All WHERE clauses except "WHERE..LIKE" style are allowed on this data type.
+  */
+public static final int typePredBasic = 2;
+
+/**
+  * Any type of WHERE clause is allowed for this data type.
+  */
+public static final int typeSearchable = 3;
+
+/**
+  * This column contains table statistics.
+  */
+public static final short tableIndexStatistic = 0;
+
+/**
+  * This table index is clustered.
+  */
+public static final short tableIndexClustered = 1;
+
+/**
+  * This table index is hashed.
+  */
+public static final short tableIndexHashed = 2;
+
+/**
+  * This table index is of another type.
+  */
+public static final short tableIndexOther = 3;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not all the procedures returned by
+  * the <code>getProcedures</code> method can be called by this user.
+  *
+  * @return <code>true</code> if all the procedures can be called,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+allProceduresAreCallable() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not all the table returned by the
+  * <code>getTables</code> method can be selected by this user.
+  *
+  * @return <code>true</code> if all the procedures can be called,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+allTablesAreSelectable() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the URL for this database.
+  *
+  * @return The URL string for this database, or <code>null</code> if it
+  * is not known.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getURL() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the database username for this connection.
+  *
+  * @return The database username.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getUserName() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database is in read only mode.
+  *
+  * @return <code>true</code> if the database is in read only mode,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+isReadOnly() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not NULL's sort as high values.
+  *
+  * @return <code>true</code> if NULL's sort as high values, <code>false</code>
+  * otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+nullsAreSortedHigh() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not NULL's sort as low values.
+  *
+  * @return <code>true</code> if NULL's sort as low values, <code>false</code>
+  * otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+nullsAreSortedLow() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method test whether or not NULL's are sorted to the beginning
+  * of the list regardless of ascending or descending sort order.
+  *
+  * @return <code>true</code> if NULL's always sort to the beginning,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+nullsAreSortedAtStart() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method test whether or not NULL's are sorted to the end
+  * of the list regardless of ascending or descending sort order.
+  *
+  * @return <code>true</code> if NULL's always sort to the end,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+nullsAreSortedAtEnd() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the name of the database product.
+  *
+  * @return The database product.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getDatabaseProductName() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the version of the database product.
+  *
+  * @return The version of the database product.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getDatabaseProductVersion() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the name of the JDBC driver.
+  *
+  * @return The name of the JDBC driver.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getDriverName() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the version of the JDBC driver.
+  *
+  * @return The version of the JDBC driver.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getDriverVersion() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the major version number of the JDBC driver.
+  *
+  * @return The major version number of the JDBC driver.
+  */
+public abstract int
+getDriverMajorVersion();
+
+/*************************************************************************/
+
+/**
+  * This method returns the minor version number of the JDBC driver.
+  *
+  * @return The minor version number of the JDBC driver.
+  */
+public abstract int
+getDriverMinorVersion();
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database uses local files to
+  * store tables.
+  *
+  * @return <code>true</code> if the database uses local files, 
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+usesLocalFiles() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database uses a separate file for
+  * each table.
+  *
+  * @return <code>true</code> if the database uses a separate file for each
+  * table </code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+usesLocalFilePerTable() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database supports identifiers
+  * with mixed case.
+  *
+  * @return <code>true</code> if the database supports mixed case identifiers,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsMixedCaseIdentifiers() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database treats mixed case
+  * identifiers as all upper case.
+  *
+  * @exception <code>true</code> if the database treats all identifiers as
+  * upper case, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+storesUpperCaseIdentifiers() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database treats mixed case
+  * identifiers as all lower case.
+  *
+  * @exception <code>true</code> if the database treats all identifiers as
+  * lower case, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+storesLowerCaseIdentifiers() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database stores mixed case 
+  * identifers even if it treats them as case insensitive.
+  *
+  * @return <code>true</code> if the database stores mixed case identifiers,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+storesMixedCaseIdentifiers() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database supports quoted identifiers
+  * with mixed case.
+  *
+  * @return <code>true</code> if the database supports mixed case quoted
+  * identifiers, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsMixedCaseQuotedIdentifiers() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database treats mixed case
+  * quoted identifiers as all upper case.
+  *
+  * @exception <code>true</code> if the database treats all quoted identifiers 
+  * as upper case, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+storesUpperCaseQuotedIdentifiers() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database treats mixed case
+  * quoted identifiers as all lower case.
+  *
+  * @exception <code>true</code> if the database treats all quoted identifiers 
+  * as lower case, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+storesLowerCaseQuotedIdentifiers() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database stores mixed case 
+  * quoted identifers even if it treats them as case insensitive.
+  *
+  * @return <code>true</code> if the database stores mixed case quoted 
+  * identifiers, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+storesMixedCaseQuotedIdentifiers() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This metohd returns the quote string for SQL identifiers.
+  *
+  * @return The quote string for SQL identifers, or a space if quoting
+  * is not supported.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getIdentifierQuoteString() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns a comma separated list of all the SQL keywords in
+  * the database that are not in SQL92.
+  *
+  * @return The list of SQL keywords not in SQL92.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getSQLKeywords() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns a comma separated list of math functions.
+  *
+  * @return The list of math functions.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getNumericFunctions() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns a comma separated list of string functions.
+  *
+  * @return The list of string functions.
+  * 
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getStringFunctions() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns a comma separated list of of system functions.
+  *
+  * @return A comma separated list of system functions.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getSystemFunctions() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns comma separated list of time/date functions.
+  * 
+  * @return The list of time/date functions.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getTimeDateFunctions() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the string used to escape wildcards in search strings.
+  *
+  * @return The string used to escape wildcards in search strings.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getSearchStringEscape() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This methods returns non-standard characters that can appear in 
+  * unquoted identifiers.
+  *
+  * @return Non-standard characters that can appear in unquoted identifiers.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getExtraNameCharacters() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database supports
+  * "ALTER TABLE ADD COLUMN"
+  *
+  * @return <code>true</code> if column add supported, <code>false</code>
+  * otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsAlterTableWithAddColumn() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database supports
+  * "ALTER TABLE DROP COLUMN"
+  *
+  * @return <code>true</code> if column drop supported, <code>false</code>
+  * otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsAlterTableWithDropColumn() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not column aliasing is supported.
+  *
+  * @return <code>true</code> if column aliasing is supported,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsColumnAliasing() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether the concatenation of a NULL and non-NULL
+  * value results in a NULL.  This will always be true in fully JDBC compliant
+  * drivers.
+  *
+  * @return <code>true</code> if concatenating NULL and a non-NULL value
+  * returns a NULL, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+nullPlusNonNullIsNull() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * Tests whether or not CONVERT is supported.
+  *
+  * @return <code>true</code> if CONVERT is supported, <code>false</code>
+  * otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsConvert() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not CONVERT can be performed between the
+  * specified types.  The types are contants from <code>Types</code>.
+  *
+  * @param fromType The SQL type to convert from.
+  * @param toType The SQL type to convert to.
+  * 
+  * @return <code>true</code> if the conversion can be performed,
+  * <code>false</code> otherwise.
+  *
+  * @see Types
+  */
+public abstract boolean
+supportsConvert(int fromType, int toType) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not table correlation names are 
+  * supported.  This will be always be <code>true</code> in a fully JDBC
+  * compliant driver.
+  *
+  * @return <code>true</code> if table correlation names are supported,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsTableCorrelationNames() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether correlation names must be different from the
+  * name of the table.
+  *
+  * @return <code>true</code> if the correlation name must be different from
+  * the table name, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsDifferentTableCorrelationNames() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not expressions are allowed in an
+  * ORDER BY lists.
+  *
+  * @return <code>true</code> if expressions are allowed in ORDER BY
+  * lists, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsExpressionsInOrderBy() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or ORDER BY on a non-selected column is
+  * allowed.
+  *
+  * @return <code>true</code> if a non-selected column can be used in an
+  * ORDER BY, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsOrderByUnrelated() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not GROUP BY is supported.
+  *
+  * @return <code>true</code> if GROUP BY is supported, <code>false</code>
+  * otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsGroupBy() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether GROUP BY on a non-selected column is
+  * allowed.
+  *
+  * @return <code>true</code> if a non-selected column can be used in a
+  * GROUP BY, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsGroupByUnrelated() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not a GROUP BY can add columns not in the
+  * select if it includes all the columns in the select.
+  *
+  * @return <code>true</code> if GROUP BY an add columns provided it includes
+  * all columns in the select, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsGroupByBeyondSelect() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the escape character is supported in
+  * LIKE expressions.  A fully JDBC compliant driver will always return
+  * <code>true</code>.
+  *
+  * @return <code>true</code> if escapes are supported in LIKE expressions,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean supportsLikeEscapeClause() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether multiple result sets for a single statement are
+  * supported.
+  *
+  * @return <code>true</code> if multiple result sets are supported for a 
+  * single statement, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsMultipleResultSets() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method test whether or not multiple transactions may be open
+  * at once, as long as they are on different connections.
+  *
+  * @return <code>true</code> if multiple transactions on different
+  * connections are supported, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsMultipleTransactions() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not columns can be defined as NOT NULL.  A
+  * fully JDBC compliant driver always returns <code>true</code>.
+  *
+  * @return <code>true</code> if NOT NULL columns are supported,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsNonNullableColumns() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the minimum grammer for ODBC is supported.
+  * A fully JDBC compliant driver will always return <code>true</code>.
+  *
+  * @return <code>true</code> if the ODBC minimum grammar is supported,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsMinimumSQLGrammar() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the core grammer for ODBC is supported.
+  *
+  * @return <code>true</code> if the ODBC core grammar is supported,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsCoreSQLGrammar() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the extended grammer for ODBC is supported.
+  *
+  * @return <code>true</code> if the ODBC extended grammar is supported,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsExtendedSQLGrammar() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the ANSI92 entry level SQL
+  * grammar is supported.  A fully JDBC compliant drivers must return
+  * <code>true</code>.
+  *
+  * @return <code>true</code> if the ANSI92 entry level SQL grammar is
+  * supported, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsANSI92EntryLevelSQL() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the ANSI92 intermediate SQL
+  * grammar is supported.  
+  *
+  * @return <code>true</code> if the ANSI92 intermediate SQL grammar is
+  * supported, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsANSI92IntermediateSQL() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the ANSI92 full SQL
+  * grammar is supported.  
+  *
+  * @return <code>true</code> if the ANSI92 full SQL grammar is
+  * supported, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsANSI92FullSQL() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the SQL integrity enhancement
+  * facility is supported.
+  *
+  * @return <code>true</code> if the integrity enhancement facility is
+  * supported, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsIntegrityEnhancementFacility() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database supports outer joins.
+  *
+  * @return <code>true</code> if outer joins are supported, <code>false</code>
+  * otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsOuterJoins() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database supports full outer joins.
+  *
+  * @return <code>true</code> if full outer joins are supported, 
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsFullOuterJoins() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database supports limited outer joins.
+  *
+  * @return <code>true</code> if limited outer joins are supported, 
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsLimitedOuterJoins() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the vendor's term for "schema".
+  *
+  * @return The vendor's term for schema.
+  *
+  * @exception SQLException if an error occurs.
+  */
+public abstract String
+getSchemaTerm() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the vendor's term for "procedure".
+  *
+  * @return The vendor's term for procedure.
+  *
+  * @exception SQLException if an error occurs.
+  */
+public abstract String
+getProcedureTerm() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the vendor's term for "catalog".
+  *
+  * @return The vendor's term for catalog.
+  *
+  * @exception SQLException if an error occurs.
+  */
+public abstract String
+getCatalogTerm() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether a catalog name appears at the beginning of
+  * a fully qualified table name.
+  *
+  * @return <code>true</code> if the catalog name appears at the beginning,
+  * <code>false</code> if it appears at the end.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+isCatalogAtStart() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the separator between the catalog name and the
+  * table name.
+  *
+  * @return The separator between the catalog name and the table name.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getCatalogSeparator() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether a catalog name can appear in a data
+  * manipulation statement.
+  *
+  * @return <code>true</code> if a catalog name can appear in a data
+  * manipulation statement, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsSchemasInDataManipulation() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether a catalog name can appear in a procedure
+  * call
+  *
+  * @return <code>true</code> if a catalog name can appear in a procedure
+  * call, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsSchemasInProcedureCalls() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether a catalog name can appear in a table definition.
+  *
+  * @return <code>true</code> if a catalog name can appear in a table
+  * definition, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsSchemasInTableDefinitions() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether a catalog name can appear in an index definition.
+  *
+  * @return <code>true</code> if a catalog name can appear in an index
+  * definition, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsSchemasInIndexDefinitions() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether a catalog name can appear in privilege definitions.
+  *
+  * @return <code>true</code> if a catalog name can appear in privilege
+  * definition, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsSchemasInPrivilegeDefinitions() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether a catalog name can appear in a data
+  * manipulation statement.
+  *
+  * @return <code>true</code> if a catalog name can appear in a data
+  * manipulation statement, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsCatalogsInDataManipulation() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether a catalog name can appear in a procedure
+  * call
+  *
+  * @return <code>true</code> if a catalog name can appear in a procedure
+  * call, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsCatalogsInProcedureCalls() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether a catalog name can appear in a table definition.
+  *
+  * @return <code>true</code> if a catalog name can appear in a table
+  * definition, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsCatalogsInTableDefinitions() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether a catalog name can appear in an index definition.
+  *
+  * @return <code>true</code> if a catalog name can appear in an index
+  * definition, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsCatalogsInIndexDefinitions() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether a catalog name can appear in privilege definitions.
+  *
+  * @return <code>true</code> if a catalog name can appear in privilege
+  * definition, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsCatalogsInPrivilegeDefinitions() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not that database supports positioned
+  * deletes.
+  *
+  * @return <code>true</code> if positioned deletes are supported,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsPositionedDelete() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not that database supports positioned
+  * updates.
+  *
+  * @return <code>true</code> if positioned updates are supported,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsPositionedUpdate() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not SELECT FOR UPDATE is supported by the
+  * database.
+  *
+  * @return <code>true</code> if SELECT FOR UPDATE is supported 
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsSelectForUpdate() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not stored procedures are supported on
+  * this database.
+  *
+  * @return <code>true</code> if stored procedures are supported,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsStoredProcedures() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not subqueries are allowed in comparisons.
+  * A fully JDBC compliant driver will always return <code>true</code>.
+  *
+  * @return <code>true</code> if subqueries are allowed in comparisons,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsSubqueriesInComparisons() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not subqueries are allowed in exists
+  * expressions.  A fully JDBC compliant driver will always return
+  * <code>true</code>.
+  *
+  * @return <code>true</code> if subqueries are allowed in exists 
+  * expressions, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsSubqueriesInExists() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether subqueries are allowed in IN statements.
+  * A fully JDBC compliant driver will always return <code>true</code>.
+  *
+  * @return <code>true</code> if the driver supports subqueries in IN
+  * statements, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsSubqueriesInIns() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not subqueries are allowed in quantified
+  * expressions.  A fully JDBC compliant driver will always return
+  * <code>true</code>.
+  *
+  * @return <code>true</code> if subqueries are allowed in quantified 
+  * expressions, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsSubqueriesInQuantifieds() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method test whether or not correlated subqueries are allowed. A
+  * fully JDBC compliant driver will always return <code>true</code>.
+  *
+  * @return <code>true</code> if correlated subqueries are allowed,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsCorrelatedSubqueries() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the UNION statement is supported.
+  *
+  * @return <code>true</code> if UNION is supported, <code>false</code>
+  * otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsUnion() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the UNION ALL statement is supported.
+  *
+  * @return <code>true</code> if UNION ALL is supported, <code>false</code>
+  * otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsUnionAll() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database supports cursors
+  * remaining open across commits.
+  *
+  * @return <code>true</code> if cursors can remain open across commits,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsOpenCursorsAcrossCommit() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database supports cursors
+  * remaining open across rollbacks.
+  *
+  * @return <code>true</code> if cursors can remain open across rollbacks,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsOpenCursorsAcrossRollback() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database supports statements
+  * remaining open across commits.
+  *
+  * @return <code>true</code> if statements can remain open across commits,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsOpenStatementsAcrossCommit() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database supports statements
+  * remaining open across rollbacks.
+  *
+  * @return <code>true</code> if statements can remain open across rollbacks,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsOpenStatementsAcrossRollback() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the number of hex characters allowed in an inline
+  * binary literal.
+  *
+  * @return The number of hex characters allowed in a binary literal, 0 meaning
+  * either an unknown or unlimited number.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxBinaryLiteralLength() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum length of a character literal.
+  * 
+  * @return The maximum length of a character literal.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxCharLiteralLength() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum length of a column name.
+  *
+  * @return The maximum length of a column name.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxColumnNameLength() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum number of columns in a GROUP BY statement.
+  *
+  * @return The maximum number of columns in a GROUP BY statement.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxColumnsInGroupBy() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum number of columns in an index.
+  *
+  * @return The maximum number of columns in an index.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxColumnsInIndex() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum number of columns in an ORDER BY statement.
+  *
+  * @return The maximum number of columns in an ORDER BY statement.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxColumnsInOrderBy() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum number of columns in a SELECT statement.
+  *
+  * @return The maximum number of columns in a SELECT statement.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxColumnsInSelect() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum number of columns in a table.
+  *
+  * @return The maximum number of columns in a table.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxColumnsInTable() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum number of connections this client
+  * can have to the database.
+  *
+  * @return The maximum number of database connections.
+  *
+  * @SQLException If an error occurs.
+  */
+public abstract int
+getMaxConnections() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum length of a cursor name.
+  *
+  * @return The maximum length of a cursor name.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxCursorNameLength() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum length of an index.
+  *
+  * @return The maximum length of an index.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxIndexLength() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum length of a schema name.
+  *
+  * @return The maximum length of a schema name.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxSchemaNameLength() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum length of a procedure name.
+  *
+  * @return The maximum length of a procedure name.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxProcedureNameLength() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum length of a catalog name.
+  *
+  * @return The maximum length of a catalog name.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxCatalogNameLength() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum size of a row in bytes.
+  *
+  * @return The maximum size of a row.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxRowSize() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the maximum row size includes BLOB's
+  *
+  * @return <code>true</code> if the maximum row size includes BLOB's,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+doesMaxRowSizeIncludeBlobs() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method includes the maximum length of a SQL statement.
+  *
+  * @return The maximum length of a SQL statement.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxStatementLength() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum number of statements that can be
+  * active at any time.
+  *
+  * @return The maximum number of statements that can be active at any time.
+  * 
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxStatements() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum length of a table name.
+  *
+  * @return The maximum length of a table name.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxTableNameLength() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum number of tables that may be referenced
+  * in a SELECT statement.
+  *
+  * @return The maximum number of tables allowed in a SELECT statement.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxTablesInSelect() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum length of a user name.
+  *
+  * @return The maximum length of a user name.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxUserNameLength() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the default transaction isolation level of the
+  * database.
+  *
+  * @return The default transaction isolation level of the database.
+  *
+  * @exception SQLException If an error occurs.
+  *
+  * @see Connection
+  */
+public abstract int
+getDefaultTransactionIsolation() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database supports transactions.
+  *
+  * @return <code>true</code> if the database supports transactions,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsTransactions() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database supports the specified
+  * transaction isolation level.
+  *
+  * @param level The transaction isolation level.
+  *
+  * @return <code>true</code> if the specified transaction isolation level
+  * is supported, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsTransactionIsolationLevel(int level) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not DDL and DML statements allowed within 
+  * the same transaction.
+  *
+  * @return <code>true</code> if DDL and DML statements are allowed in the
+  * same transaction, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsDataDefinitionAndDataManipulationTransactions() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not only DML statement are allowed
+  * inside a transaction.
+  *
+  * @return <code>true</code> if only DML statements are allowed in
+  * transactions, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsDataManipulationTransactionsOnly() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not a DDL statement will cause the
+  * current transaction to be automatically committed.
+  *
+  * @return <code>true</code> if DDL causes an immediate transaction commit,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+dataDefinitionCausesTransactionCommit() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not DDL statements are ignored in
+  * transactions.
+  *
+  * @return <code>true</code> if DDL statements are ignored in transactions,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+dataDefinitionIgnoredInTransactions() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns a list of all the stored procedures matching the
+  * specified pattern in the given schema and catalog.  This is returned
+  * a <code>ResultSet</code> with the following columns:
+  * <p>
+  * <ol>
+  * <li>PROCEDURE_CAT - The catalog the procedure is in, which may be 
+  * <code>null</code>.
+  * <li>PROCEDURE_SCHEM - The schema the procedures is in, which may be
+  * <code>null</code>.
+  * <li>PROCEDURE_NAME - The name of the procedure.
+  * <li>Unused
+  * <li>Unused
+  * <li>Unused
+  * <li>REMARKS - A description of the procedure
+  * <li>PROCEDURE_TYPE - Indicates the return type of the procedure, which 
+  * is one of the contstants defined in this class 
+  * (<code>procedureResultUnknown</code>, <code>procedureNoResult</code>, or
+  * <code>procedureReturnsResult</code>).
+  * </ol>
+  *
+  * @param catalog The name of the catalog to return stored procedured from,
+  * or "" to return procedures from all catalogs.
+  * @param schemaPattern A schema pattern for the schemas to return stored
+  * procedures from, or "" to return procedures from all schemas.
+  * @param namePattern The pattern of procedures names to return.
+  *
+  * @returns A <code>ResultSet</code> with all the requested procedures.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getProcedures(String catalog, String schemaPattern, String namePattern)
+              throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns a list of the parameter and result columns for
+  * the requested stored procedures.  This is returned in the form of a
+  * <code>ResultSet</code> with the following columns:
+  * <p>
+  * <ol>
+  * <li>PROCEDURE_CAT - The catalog the procedure is in, which may be 
+  * <code>null</code>.
+  * <li>PROCEDURE_SCHEM - The schema the procedures is in, which may be
+  * <code>null</code>.
+  * <li>PROCEDURE_NAME - The name of the procedure.
+  * <li>COLUMN_NAME - The name of the column
+  * <li>COLUMN_TYPE - The type of the column, which will be one of the
+  * contants defined in this class (<code>procedureColumnUnknown</code>,
+  * <code>procedureColumnIn</code>, <code>procedureColumnInOut</code>,
+  * <code>procedureColumnOut</code>, <code>procedureColumnReturn</code>,
+  * or <code>procedureColumnResult</code>).
+  * <li>DATA_TYPE - The SQL type of the column. This is one of the constants
+  * defined in <code>Types</code>.
+  * <li>TYPE_NAME - The string name of the data type for this column.
+  * <li>PRECISION - The precision of the column.
+  * <li>LENGTH - The length of the column in bytes
+  * <li>SCALE - The scale of the column.
+  * <li>RADIX - The radix of the column.
+  * <li>NULLABLE - Whether or not the column is NULLABLE.  This is one of
+  * the constants defined in this class (<code>procedureNoNulls</code>,
+  * <code>procedureNullable</code>, or <code>procedureNullableUnknown</code>)
+  * <li>REMARKS - A description of the column.
+  * </ol>
+  *
+  * @param catalog The name of the catalog to return stored procedured from,
+  * or "" to return procedures from all catalogs.
+  * @param schemaPattern A schema pattern for the schemas to return stored
+  * procedures from, or "" to return procedures from all schemas.
+  * @param namePattern The pattern of procedures names to return.
+  * @param columnPattern The pattern of column names to return.
+  *
+  * @returns A <code>ResultSet</code> with all the requested procedures.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getProcedureColumns(String catalog, String schemaPattern, String namePattern,
+                    String columnPattern) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns a list of the requested table as a   
+  * <code>ResultSet</code> with the following columns:
+  * <p>
+  * <ol>
+  * <li>TABLE_CAT - The catalog the table is in, which may be <code>null</code>.
+  * <li>TABLE_SCHEM - The schema the table is in, which may be <code>null</code>.
+  * <li>TABLE_NAME - The name of the table.
+  * <li>TABLE_TYPE - A string describing the table type.  This will be one
+  * of the values returned by the <code>getTableTypes()</code> method.
+  * <li>REMARKS - Comments about the table.
+  * </ol>
+  * 
+  * @param catalog The name of the catalog to return tables from,
+  * or "" to return tables from all catalogs.
+  * @param schemaPattern A schema pattern for the schemas to return tables
+  * from, or "" to return tables from all schemas.
+  * @param namePattern The pattern of table names to return.
+  * @param types The list of table types to include; null returns all types.
+  *
+  * @returns A <code>ResultSet</code> with all the requested tables.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getTables(String catalog, String schemaPattern, String namePattern,
+	  String types[]) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the list of database schemas as a 
+  * <code>ResultSet</code>, with one column - TABLE_SCHEM - that is the
+  * name of the schema.
+  *
+  * @return A <code>ResultSet</code> with all the requested schemas.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getSchemas() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the list of database catalogs as a
+  * <code>ResultSet</code> with one column - TABLE_CAT - that is the
+  * name of the catalog.
+  *
+  * @return A <code>ResultSet</code> with all the requested catalogs.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getCatalogs() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the list of database table types as a
+  * <code>ResultSet</code> with one column - TABLE_TYPE - that is the
+  * name of the table type.
+  *
+  * @return A <code>ResultSet</code> with all the requested table types.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getTableTypes() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns a list of the tables columns for
+  * the requested tables.  This is returned in the form of a
+  * <code>ResultSet</code> with the following columns:
+  * <p>
+  * <ol>
+  * <li>TABLE_CAT - The catalog the table is in, which may be 
+  * <code>null</code>.
+  * <li>TABLE_SCHEM - The schema the tables is in, which may be
+  * <code>null</code>.
+  * <li>TABLE_NAME - The name of the table.
+  * <li>COLUMN_NAME - The name of the column
+  * <li>DATA_TYPE - The SQL type of the column. This is one of the constants
+  * defined in <code>Types</code>.
+  * <li>TYPE_NAME - The string name of the data type for this column.
+  * <li>COLUMN_SIZE - The size of the column.
+  * <li>Unused
+  * <li>NUM_PREC_RADIX - The radix of the column.
+  * <li>NULLABLE - Whether or not the column is NULLABLE.  This is one of
+  * the constants defined in this class (<code>tableNoNulls</code>,
+  * <code>tableNullable</code>, or <code>tableNullableUnknown</code>)
+  * <li>REMARKS - A description of the column.
+  * <li>COLUMN_DEF - The default value for the column, may be <code>null</code>.
+  * <li>SQL_DATA_TYPE - Unused
+  * <li>SQL_DATETIME_SUB - Unused
+  * <li>CHAR_OCTET_LENGTH - For character columns, the maximum number of bytes
+  * in the column.
+  * <li>ORDINAL_POSITION - The index of the column in the table.
+  * <li>IS_NULLABLE - "NO" means no, "YES" means maybe, and an empty string
+  * means unknown.
+  * </ol>
+  *
+  * @param catalog The name of the catalog to return table from,
+  * or "" to return tables from all catalogs.
+  * @param schemaPattern A schema pattern for the schemas to return 
+  * tables from, or "" to return tables from all schemas.
+  * @param namePattern The pattern of tables names to return.
+  * @param columnPattern The pattern of column names to return.
+  *
+  * @returns A <code>ResultSet</code> with all the requested tables.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getColumns(String catalog, String schemaPattern, String namePattern,
+           String columnPattern) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the access rights that have been granted to the
+  * requested columns.  This information is returned as a <code>ResultSet</code>
+  * with the following columns:
+  * <p>
+  * <ol>
+  * <li>TABLE_CAT - The catalog the table is in, which may be 
+  * <code>null</code>.
+  * <li>TABLE_SCHEM - The schema the tables is in, which may be
+  * <code>null</code>.
+  * <li>TABLE_NAME - The name of the table.
+  * <li>COLUMN_NAME - The name of the column.
+  * <li>GRANTOR - The entity that granted the access.
+  * <li>GRANTEE - The entity granted the access.
+  * <li>PRIVILEGE - The name of the privilege granted.
+  * <li>IS_GRANTABLE - "YES" if the grantee can grant the privilege to
+  * others, "NO" if not, and <code>null</code> if unknown.
+  * </ol>
+  *
+  * @param catalog The catalog to retrieve information from, or the empty string
+  * to return entities not associated with a catalog, or <code>null</code>
+  * to return information from all catalogs.
+  * @param schema The schema to retrieve information from, or the empty string
+  * to return entities not associated with a schema.
+  * @param table The table name to return information for.
+  * @param columnPattern A pattern of column names to return information for.
+  * 
+  * @return A <code>ResultSet</code> with all the requested privileges.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getColumnPrivileges(String catalog, String schema, String table,
+                    String columnPattern) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the access rights that have been granted to the
+  * requested tables.  This information is returned as a <code>ResultSet</code>
+  * with the following columns:
+  * <p>
+  * <ol>
+  * <li>TABLE_CAT - The catalog the table is in, which may be 
+  * <code>null</code>.
+  * <li>TABLE_SCHEM - The schema the tables is in, which may be
+  * <code>null</code>.
+  * <li>TABLE_NAME - The name of the table.
+  * <li>GRANTOR - The entity that granted the access.
+  * <li>GRANTEE - The entity granted the access.
+  * <li>PRIVILEGE - The name of the privilege granted.
+  * <li>IS_GRANTABLE - "YES" if the grantee can grant the privilege to
+  * others, "NO" if not, and <code>null</code> if unknown.
+  * </ol>
+  *
+  * @param catalog The catalog to retrieve information from, or the empty string
+  * to return entities not associated with a catalog, or <code>null</code>
+  * to return information from all catalogs.
+  * @param schema The schema to retrieve information from, or the empty string
+  * to return entities not associated with a schema.
+  * @param tablePattern The table name pattern of tables to return 
+  * information for.
+  * 
+  * @return A <code>ResultSet</code> with all the requested privileges.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getTablePrivileges(String catalog, String schema, String table)
+                   throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the best set of columns for uniquely identifying
+  * a row.  It returns this information as a <code>ResultSet</code> with
+  * the following columns:
+  * <p>
+  * <ol>
+  * <li>SCOPE - The scope of the results returned.  This is one of the 
+  * constants defined in this class (<code>bestRowTemporary</code>,
+  * <code>bestRowTransaction</code>, or <code>bestRowSession</code).
+  * <li>COLUMN_NAME - The name of the column.
+  * <li>DATA_TYPE - The SQL type of the column. This is one of the constants
+  * defined in <code>Types</code>.
+  * <li>TYPE_NAME - The string name of the data type for this column.
+  * <li>COLUMN_SIZE - The precision of the columns
+  * <li>BUFFER_LENGTH - Unused
+  * <li>DECIMAL_DIGITS - The scale of the column.
+  * <li>PSEUDO_COLUMN - Whether or not the best row identifier is a
+  * pseudo_column.  This is one of the constants defined in this class 
+  * (<code>bestRowUnknown</code>, <code>bestRowNotPseudo</code>, or
+  * <code>bestRowPseudo</code>).
+  * </ol>
+  *
+  * @param catalog The catalog to retrieve information from, or the empty string
+  * to return entities not associated with a catalog, or <code>null</code>
+  * to return information from all catalogs.
+  * @param schema The schema to retrieve information from, or the empty string
+  * to return entities not associated with a schema.
+  * @param table The table name to return information for.
+  * @param columnPattern A pattern of column names to return information for.
+  * @param scope One of the best row id scope constants from this class.
+  * @param nullable <code>true</code> to include columns that are nullable,
+  * <code>false</code> otherwise.
+  * 
+  * @return A <code>ResultSet</code> with the best row identifier.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getBestRowIdentifier(String catalog, String schema, String table,
+                     int scope, boolean nullable) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the set of columns that are automatically updated
+  * when the row is update. It returns this information as a 
+  * <code>ResultSet</code> with the following columns:
+  * <p>
+  * <ol>
+  * <li>SCOPE - Unused
+  * <li>COLUMN_NAME - The name of the column.
+  * <li>DATA_TYPE - The SQL type of the column. This is one of the constants
+  * defined in <code>Types</code>.
+  * <li>TYPE_NAME - The string name of the data type for this column.
+  * <li>COLUMN_SIZE - The precision of the columns
+  * <li>BUFFER_LENGTH - Unused
+  * <li>DECIMAL_DIGITS - The scale of the column.
+  * <li>PSEUDO_COLUMN - Whether or not the best row identifier is a
+  * pseudo_column.  This is one of the constants defined in this class 
+  * (<code>versionRowUnknown</code>, <code>versionRowNotPseudo</code>, or
+  * <code>versionRowPseudo</code>).
+  * </ol>
+  *
+  * @param catalog The catalog to retrieve information from, or the empty string
+  * to return entities not associated with a catalog, or <code>null</code>
+  * to return information from all catalogs.
+  * @param schema The schema to retrieve information from, or the empty string
+  * to return entities not associated with a schema.
+  * @param table The table name to return information for.
+  * @param columnPattern A pattern of column names to return information for.
+  *
+  * @return A <code>ResultSet</code> with the version columns.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getVersionColumns(String catalog, String schema, String table)
+                  throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns a list of a table's primary key columns.  These
+  * are returned as a <code>ResultSet</code> with the following columns.
+  * <p>
+  * <ol>
+  * <li>TABLE_CAT - The catalog of the table, which may be <code>null</code>.
+  * <li>TABLE_SCHEM - The schema of the table, which may be <code>null</code>.
+  * <li>TABLE_NAME - The name of the table.
+  * <li>COLUMN_NAME - The name of the column.
+  * <li>KEY_SEQ - The sequence number of the column within the primary key.
+  * <li>PK_NAME - The name of the primary key, which may be <code>null</code>.
+  *
+  * @param catalog The catalog to retrieve information from, or the empty string
+  * to return entities not associated with a catalog, or <code>null</code>
+  * to return information from all catalogs.
+  * @param schema The schema to retrieve information from, or the empty string
+  * to return entities not associated with a schema.
+  * @param table The table name to return information for.
+  * @param columnPattern A pattern of column names to return information for.
+  *
+  * @return A <code>ResultSet</code> with the primary key columns.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getPrimaryKeys(String catalog, String schema, String table)
+               throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns a list of the table's foreign keys.  These are
+  * returned as a <code>ResultSet</code> with the following columns:
+  * <p>
+  * <ol>
+  * <li>PKTABLE_CAT - The catalog of the table the key was imported from.
+  * <li>PKTABLE_SCHEM - The schema of the table the key was imported from.
+  * <li>PKTABLE_NAME - The name of the table the key was imported from.
+  * <li>PKCOLUMN_NAME - The name of the column that was imported.
+  * <li>FKTABLE_CAT - The foreign key catalog name.
+  * <li>FKTABLE_SCHEM - The foreign key schema name.
+  * <li>FKTABLE_NAME - The foreign key table name.
+  * <li>FKCOLUMN_NAME - The foreign key column name.
+  * <li>KEY_SEQ - The sequence number of the column within the foreign key.
+  * <li>UPDATE_RULE - How the foreign key behaves when the primary key is
+  * updated.  This is one of the constants defined in this class 
+  * (<code>importedNoAction</code>, <code>importedKeyCascade</code>,
+  * <code>importedKeySetNull</code>, <code>importedKeySetDefault</code>, or
+  * <code>importedKeyRestrict</code>).
+  * <li>DELETE_RULE - How the foreign key behaves when the primary key is
+  * deleted.  This is one of the constants defined in this class 
+  * (<code>importedNoAction</code>, <code>importedKeyCascade</code>,
+  * <code>importedKeySetNull</code>, or <code>importedKeySetDefault</code>)
+  * <li>FK_NAME - The name of the foreign key.
+  * <li>PK_NAME - The name of the primary key.
+  * <li>DEFERRABILITY - The deferrability value.  This is one of the
+  * constants defined in this table (<code>importedKeyInitiallyDeferred</code>,
+  * <code>importedKeyInitiallyImmediate</code>, or
+  * <code>importedKeyNotDeferrable</code>).
+  *
+  * @param catalog The catalog to retrieve information from, or the empty string
+  * to return entities not associated with a catalog, or <code>null</code>
+  * to return information from all catalogs.
+  * @param schema The schema to retrieve information from, or the empty string
+  * to return entities not associated with a schema.
+  * @param table The table name to return information for.
+  *
+  * @return A <code>ResultSet</code> with the foreign key columns.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getImportedKeys(String catalog, String schema, String table)
+                throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns a list of the table's which use this table's
+  * primary key as a foreign key.  The information is
+  * returned as a <code>ResultSet</code> with the following columns:
+  * <p>
+  * <ol>
+  * <li>PKTABLE_CAT - The catalog of the table the key was imported from.
+  * <li>PKTABLE_SCHEM - The schema of the table the key was imported from.
+  * <li>PKTABLE_NAME - The name of the table the key was imported from.
+  * <li>PKCOLUMN_NAME - The name of the column that was imported.
+  * <li>FKTABLE_CAT - The foreign key catalog name.
+  * <li>FKTABLE_SCHEM - The foreign key schema name.
+  * <li>FKTABLE_NAME - The foreign key table name.
+  * <li>FKCOLUMN_NAME - The foreign key column name.
+  * <li>KEY_SEQ - The sequence number of the column within the foreign key.
+  * <li>UPDATE_RULE - How the foreign key behaves when the primary key is
+  * updated.  This is one of the constants defined in this class 
+  * (<code>importedNoAction</code>, <code>importedKeyCascade</code>,
+  * <code>importedKeySetNull</code>, <code>importedKeySetDefault</code>, or
+  * <code>importedKeyRestrict</code>).
+  * <li>DELETE_RULE - How the foreign key behaves when the primary key is
+  * deleted.  This is one of the constants defined in this class 
+  * (<code>importedNoAction</code>, <code>importedKeyCascade</code>,
+  * <code>importedKeySetNull</code>, or <code>importedKeySetDefault</code>)
+  * <li>FK_NAME - The name of the foreign key.
+  * <li>PK_NAME - The name of the primary key.
+  * <li>DEFERRABILITY - The deferrability value.  This is one of the
+  * constants defined in this table (<code>importedKeyInitiallyDeferred</code>,
+  * <code>importedKeyInitiallyImmediate</code>, or
+  * <code>importedKeyNotDeferrable</code>).
+  *
+  * @param catalog The catalog to retrieve information from, or the empty string
+  * to return entities not associated with a catalog, or <code>null</code>
+  * to return information from all catalogs.
+  * @param schema The schema to retrieve information from, or the empty string
+  * to return entities not associated with a schema.
+  * @param table The table name to return information for.
+  *
+  * @return A <code>ResultSet</code> with the requested information
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getExportedKeys(String catalog, String schema, String table)
+                throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns a description of how one table imports another
+  * table's primary key as a foreign key.  The information is
+  * returned as a <code>ResultSet</code> with the following columns:
+  * <p>
+  * <ol>
+  * <li>PKTABLE_CAT - The catalog of the table the key was imported from.
+  * <li>PKTABLE_SCHEM - The schema of the table the key was imported from.
+  * <li>PKTABLE_NAME - The name of the table the key was imported from.
+  * <li>PKCOLUMN_NAME - The name of the column that was imported.
+  * <li>FKTABLE_CAT - The foreign key catalog name.
+  * <li>FKTABLE_SCHEM - The foreign key schema name.
+  * <li>FKTABLE_NAME - The foreign key table name.
+  * <li>FKCOLUMN_NAME - The foreign key column name.
+  * <li>KEY_SEQ - The sequence number of the column within the foreign key.
+  * <li>UPDATE_RULE - How the foreign key behaves when the primary key is
+  * updated.  This is one of the constants defined in this class 
+  * (<code>importedNoAction</code>, <code>importedKeyCascade</code>,
+  * <code>importedKeySetNull</code>, <code>importedKeySetDefault</code>, or
+  * <code>importedKeyRestrict</code>).
+  * <li>DELETE_RULE - How the foreign key behaves when the primary key is
+  * deleted.  This is one of the constants defined in this class 
+  * (<code>importedNoAction</code>, <code>importedKeyCascade</code>,
+  * <code>importedKeySetNull</code>, or <code>importedKeySetDefault</code>)
+  * <li>FK_NAME - The name of the foreign key.
+  * <li>PK_NAME - The name of the primary key.
+  * <li>DEFERRABILITY - The deferrability value.  This is one of the
+  * constants defined in this table (<code>importedKeyInitiallyDeferred</code>,
+  * <code>importedKeyInitiallyImmediate</code>, or
+  * <code>importedKeyNotDeferrable</code>).
+  *
+  * @param primCatalog The catalog to retrieve information from, or the empty string
+  * to return entities not associated with a catalog, or <code>null</code>
+  * to return information from all catalogs, on the exporting side.
+  * @param primSchema The schema to retrieve information from, or the empty string
+  * to return entities not associated with a schema, on the exporting side.
+  * @param primTable The table name to return information for, on the exporting
+  * side.
+  * @param forCatalog The catalog to retrieve information from, or the empty string
+  * to return entities not associated with a catalog, or <code>null</code>
+  * to return information from all catalogs, on the importing side.
+  * @param forSchema The schema to retrieve information from, or the empty string
+  * to return entities not associated with a schema on the importing side.
+  * @param forTable The table name to return information for on the importing
+  * side.
+  *
+  * @return A <code>ResultSet</code> with the requested information
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getCrossReference(String primCatalog, String primSchema, String primTable,
+                  String forCatalog, String forSchema, String forTable)
+                  throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns a list of the SQL types supported by this
+  * database.  The information is returned as a <code>ResultSet</code>
+  * with the following columns:
+  * <p>
+  * <ol>
+  * <li>TYPE_NAME - The name of the data type.
+  * <li>DATA_TYPE - A data type constant from <code>Types</code> for this
+  * type.
+  * <li>PRECISION - The maximum precision of this type.
+  * <li>LITERAL_PREFIX - Prefix value used to quote a literal, which may be
+  * <code>null</code>.
+  * <li>LITERAL_SUFFIX - Suffix value used to quote a literal, which may be
+  * <code>null</code>.
+  * <li>CREATE_PARAMS - The parameters used to create the type, which may be
+  * <code>null</code>.
+  * <li>NULLABLE - Whether or not this type supports NULL values.  This will
+  * be one of the constants defined in this interface 
+  * (<code>typeNoNulls</code>, <code>typeNullable</code>, or
+  * <code>typeNullableUnknown</code>).
+  * <li>CASE_SENSITIVE - Whether or not the value is case sensitive.
+  * <li>SEARCHABLE - Whether or not "LIKE" expressions are supported in
+  * WHERE clauses for this type.  This will be one of the constants defined
+  * in this interface (<code>typePredNone</code>, <code>typePredChar</code>,
+  * <code>typePredBasic</code>, or <code>typeSearchable</code>).
+  * <li>UNSIGNED_ATTRIBUTE - Is the value of this type unsigned.
+  * <li>FIXED_PREC_SCALE - Whether or not this type can be used for money.
+  * <li>AUTO_INCREMENT - Whether or not this type supports auto-incrementing.
+  * <li>LOCAL_TYPE_NAME - A localized name for this data type.
+  * <li>MINIMUM_SCALE - The minimum scale supported by this type.
+  * <li>MAXIMUM_SCALE - The maximum scale supported by this type.
+  * <li>SQL_DATA_TYPE - Unused.
+  * <li>SQL_DATETIME_SUB - Unused.
+  * <li>NUM_PREC_RADIX - The radix of this data type.
+  * </ol>
+  * 
+  * @return A <code>ResultSet</code> with the list of available data types.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getTypeInfo() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns information about a tables indices and statistics.
+  * It is returned as a <code>ResultSet</code> with the following columns:
+  * <p>
+  * <ol>
+  * <li>TABLE_CAT - The catalog of the table, which may be <code>null</code>.
+  * <li>TABLE_SCHEM - The schema of the table, which may be <code>null</code>.
+  * <li>TABLE_NAME - The name of the table.
+  * <li>NON_UNIQUE - Are index values non-unique?
+  * <li>INDEX_QUALIFIER The index catalog, which may be <code>null</code>
+  * <li>INDEX_NAME - The name of the index.
+  * <li>TYPE - The type of index, which will be one of the constants defined
+  * in this interface (<code>tableIndexStatistic</code>,
+  * <code>tableIndexClustered</code>, <code>tableIndexHashed</code>, or
+  * <code>tableIndexOther</code>).
+  * <li>ORDINAL_POSITION - The sequence number of this column in the index.
+  * This will be 0 when the index type is <code>tableIndexStatistic</code>.
+  * <li>COLUMN_NAME - The name of this column in the index.
+  * <li>ASC_OR_DESC - "A" for an ascending sort sequence, "D" for a
+  * descending sort sequence or <code>null</code> if a sort sequence is not
+  * supported.
+  * <li>CARDINALITY - The number of unique rows in the index, or the number
+  * of rows in the table if the index type is <code>tableIndexStatistic</code>.
+  * <li>PAGES - The number of pages used for the index, or the number of pages
+  * in the table if the index type is <code>tableIndexStatistic</code>.
+  * <li>FILTER_CONDITION - The filter condition for this index, which may be
+  * <code>null</code>.
+  *
+  * @param catalog The catalog to retrieve information from, or the empty string
+  * to return entities not associated with a catalog, or <code>null</code>
+  * to return information from all catalogs.
+  * @param schema The schema to retrieve information from, or the empty string
+  * to return entities not associated with a schema.
+  * @param table The table name to return information for.
+  * @param unique <code>true</code> to return only unique indexes, 
+  * <code>false</code> otherwise.
+  * @param approx <code>true</code> if data values can be approximations,
+  * <code>false</code> otherwise.
+  *
+  * @return A <code>ResultSet</code> with the requested index information
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getIndexInfo(String catalog, String schema, String table, boolean unique,
+             boolean approx) throws SQLException; 
+
+} // interface DatabaseMetaData
+