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 / hiya
select n from (select row_number()over (partition by n order
by n) r,n from test group by n having count(*)>1)
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