Restrict the records that duplicate during data entry bulk of the multi record details

I have three fields (empno, edate, deptno) in an overtime_d block. I want to restrict it to duplicate entry. can u please guide me

Hello
It should useful to you.

http://SheikYerbouti.developpez.com/duplicates/duplicates.htm

Mark useful/correct.

Iqbal

Tags: Oracle Development

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