DlDatabase DlIBaseDatabaseDlMySqlDatabaseDlOdbcDatabaseDlOracleDatabaseDlPgSqlDatabaseDlSqlServerDatabaseDlSybaseDatabase
DlRecordset DlIBaseRecordsetDlMySqlRecordsetDlOdbcRecordsetDlOracleRecordsetDlPgSqlRecordsetDlSqlServerRecordsetDlSybaseRecordset