Is it possible to delete duplicate rows in a table without
using a temporary table ?
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Answer Posted / balaji
yes its very much possible.
create table #student
(name varchar(10),age integer)
insert into #student values ('A',12)
go 2
insert into #student values ('B',13)
go 3
insert into #student values ('C',15)
go 4
insert into #student values ('D',14)
go 5
SET ROWCOUNT 1
DELETE #student FROM #student A WHERE (SELECT COUNT(*) FROM
#student B WHERE A.NAME = B.NAME AND A.AGE = B.AGE) > 1
WHILE @@ROWCOUNT > 0
DELETE #student FROM #student A WHERE (SELECT COUNT(*) FROM
#student B WHERE A.NAME = B.NAME AND A.AGE = B.AGE) > 1
SET ROWCOUNT 0
| Is This Answer Correct ? | 3 Yes | 0 No |
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