Write a query to delete duplicate records in SQL SERVER
Answer Posted / sumit
I have The Same Problem And I Have Done Woth This
DECLARE @empid int, @empname varchar(50),@Cnt int
DECLARE duplicate_cursor CURSOR FOR
-- select all columns in table bit you must have an count column
select empid,empname, count(*) Cnt
from tbl_Temp
group by empid, empname
Having count(*) > 1
OPEN duplicate_cursor
FETCH NEXT FROM duplicate_cursor
INTO @empid, @empname,@Cnt
WHILE @@FETCH_STATUS = 0
BEGIN
SET @Cnt = @Cnt - 1
SET ROWCOUNT @Cnt
DELETE tbl_Temp
WHERE @empid = empid AND @empname = empname
FETCH NEXT FROM duplicate_cursor
INTO @empid, @empname
END
CLOSE duplicate_cursor
DEALLOCATE duplicate_cursor
-- dont forget to set rowcount to 0
SET ROWCOUNT 0
Is This Answer Correct ? | 10 Yes | 6 No |
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