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--> Éú³É²âÊÔÊý¾Ý±í: [tb]
IF OBJECT_ID('[tb]') IS NOT NULL
DROP TABLE [tb]
GO
CREATE TABLE [tb] ([a] [int],[b] [int],[c] [int])
INSERT INTO [tb]
SELECT '3','9','5' UNION ALL
SELECT '5','2','7' UNION ALL
SELECT '6','3','8'
--SELECT * from [tb]
-->SQL²éѯÈçÏÂ:
select value maxnum from tb unpivot(value for type in(a,b,c)) b
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-- sql 2005
1.rownumÓ÷¨
select * from(
Select rownum=row_number() over(order by 1),* from table
)a where rownum between  ......
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