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SELECT TOP 33 id=identity(int,1,1) INTO #1 from sysobjects
SELECT A.id ,B.id,C.id,D.id,E.id,F.id
from #1 A,#1 B,#1 C,#1 D,#1 E,#1 F
WHERE A.ID<B.ID AND A.ID<C.ID AND A.ID<D.ID AND A.ID<E.ID AND A.ID<F.ID
AND B.ID<C.ID AND B.ID<D.ID AND B.ID<E.ID AND B.ID<F.ID
AND C.ID<D.ID AND C.ID<E.ID AND C.ID<F.ID
AND D.ID<E.ID AND D.ID<F.ID
AND E.ID<F.ID
ORDER BY A.id,B.id,C.id,D.id,E.id,F.id
--result : 1107568 SQL Server 2005 46's
-- ´´½¨ºÅÂë±í£¨1-33£©tb_rednum
SELECT TOP 33 id=identity(int,1,1) INTO dbo.tb_rednum from sysobjects
-- ´´½¨½á¹û±í £¨ËùÓÐ×éºÏ£© tb_allred
SELECT A.id num01 ,B.id num02,C.id num03,D.id num04,E.id num05,F.id num06 into dbo.tb_allred
from tb_rednum A,tb_rednum B,tb_rednum C,tb_rednum D,tb_rednum E,tb_rednum F
WHERE A.ID<B.ID AND A.ID<C.ID AND A.ID<D.ID AND A.ID<E.ID AND A.ID<F.ID
AND B.ID<C.ID AND B.ID<D.ID AND B.ID<E.ID AND B.ID<F.ID
AND C.ID<D.ID AND C.ID<E.ID AND C.ID<F.ID
AND D.ID<E.ID AND D.ID<F.ID
AND E.ID<F.ID
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SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER trigger [dbo].[checkExamNo] on [dbo].[student]
for insert,update as
if exists(select examNo from student whe ......