Is it possible to delete duplicate rows in a table without
using a temporary table ?
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Answer Posted / brajesh
DECLARE temp CURSOR FOR SELECT id FROM cars1 c GROUP BY
c.id,c.name,c.year
DECLARE @id int
OPEN temp
FETCH next FROM temp
INTO @id
WHILE @@FETCH_STATUS=0
BEGIN
IF EXISTS (SELECT id FROM cars1 GROUP BY cars1.id
HAVING count(*)>1 AND id=@id)
DELETE TOP(SELECT count(*)-1 FROM cars1 WHERE
cars1.id=@id )FROM cars1 WHERE id=@id
FETCH next FROM temp
INTO @id
END
CLOSE temp
DEALLOCATE temp
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