DB2Factory DB2QueryExpression DerbyFactory DerbyQueryExpression GenericFactory HsqlFactory HsqlQueryExpression InformixFactory InformixQueryExpression InstantDBFactory InstantDBQueryExpression InterbaseFactory InterbaseQueryExpression JDBCQueryExpression JDBCQueryExpression.Join MultiRSCallQuery MySQLFactory MySQLQueryExpression OracleFactory OracleQueryExpression PostgreSQLCallQuery PostgreSQLFactory PostgreSQLQueryExpression ReturnedRSCallQuery SapDbFactory SapDbQueryExpression SQLServerFactory SQLServerQueryExpression SybaseFactory SybaseQueryExpression