if ( "Oracle".equals( databaseName ) ) {
switch ( databaseMajorVersion ) {
case 11:
return new Oracle10gDialect();
case 10:
return new Oracle10gDialect();
case 9:
return new Oracle9iDialect();
case 8:
return new Oracle8iDialect();
default:
                    LOG.unknownOracleVersion(databaseMajorVersion);
}
}