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Deleting Duplicate Keys
How to delete duplicate Keys through PL-SQL in single query.
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Unconstrained Loop
what is unconstrained loop?suggest some example.
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How do you set table for read only access ?
if i am updating one record in a table at that time no other user can't able insert ,update the record in same table How is it possible
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What will happen after commit statement ?
Cursor C1 is Select empno, ename from emp; Begin open C1; ...