How to delete duplicate records from a table?(for suppose in
a table we have 1000 Records in that we have 200 duplicate
Records , so ,how to findout that duplicate Records , how to
delete those Records and arranged into sequence order? one
more thing that there is no primary key at all)
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Answer Posted / smitha
;with empctc(empid,ename,sal,deptid,ranking)
as
(Select empid,ename,sal,deptid,ranking=Dense_rank() over (
partition by empid,ename,sal,deptid order by NEWID() asc)
from emp
)
delete * from empctc where ranking>1
| Is This Answer Correct ? | 2 Yes | 5 No |
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