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one of the column in my table contains the data like
SAL
----
1000
1000
2000
3000
3000
So my requirement is i want output like
SAL
---
1000
2000
3000
it mean i want to delete duplicate rows only how should u
write query?
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Answer Posted / yaswanth
delete from employees where rowid NOT IN(select max(rowid) from employees GROUP BY salary)
| Is This Answer Correct ? | 7 Yes | 2 No |
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