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How to delete the duplicate colums in a sql table ?
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Answer Posted / subash
In this query the values will delete based on employee names
delete from emp a1 where rowid<(select max(rowid)from emp a2
where a1.ename = a2.ename group by a2.ename having count(1) >1);
| Is This Answer Correct ? | 3 Yes | 4 No |
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