Modify Stage - Handling NULLs

For handling the NULL value in columns we can use modify functions in DataStage instead of Transformer. Rather, I'll always prefer a transformer to avoid unnecessary effort which we put to setting up modify stage. But sometime to tune the job over performance we have to do that ;-)

The below Function Specification we have to use to Handle NULL --


Column Name -->   EmpId

EmpId = handle_null(EmpId,'')                            --- Replace with empty string
EmpId = handle_null(EmpId,' ')                           --- Replace with Single Space
EmpId = handle_null(EmpId,'EMPTY')                       --- Replace with 'EMPTY'


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