Is it possible to delete duplicate rows in a table without
using a temporary table ?
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Answer Posted / kalyan.k
yes,it is possible.
By using row_number function.
dept table contains two columns(eid,ename)
eid dname
1 k
1 j
1 u
2 k
2 j
2 u
with [dept ordered by eid] as
(
select row_number()over(partition by ei order by eid)as
rowid,* from dept
)
delete from [dept ordered by eid] where rowid >1
| Is This Answer Correct ? | 4 Yes | 2 No |
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