java.sql.ResultSetMetaData interface does not track the source or updatability of columns in ResultSets, and so always returns the constants shown for the methods listed in the following table. java.sql.ResultSetMetaData interface
Implementation notes on <i>ResultSetMetadata</i> methodsThis table lists the implementation-specific return type for three ResultSetMetadata methods. Method Name Value isDefinitelyWritable false isReadOnly false isWritable false