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How to retrieve duplicate rows in a table?
How to delete the duplicate entries in a table?
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Answer Posted / samba shiva reddy . m
How to retrieve the duplicate rows in table :
select * from emp group by empid,empname having count(empname)>1
How to delete the duplicate rows in table :
1.inserting distinct rows in temp table variable
2. deleting emp table
3.Again inserting into emp table from temp table variable
declare @temp table
(empid int,empname varchar(50))
insert into @temp
select * from emp group by empid,empname having count(empname)>0
delete from emp
insert into emp
select * from @temp
select * from emp
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