How to retrieve duplicate rows in a table?
How to delete the duplicate entries in a table?
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Answer Posted / nagabhushan adhikari
These are duplicates....
select distinct(col1),col2,col3.... into #temp from table
group by col1 having count(1) > 1
by the below delete duplicates
delete table from table A, #temp B where A.col1= B.col1
by this insert only a single record
insert into table select col1, col2,col3... from #temp
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