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GO
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INSERT t1 VALUES(1)
GO

--1. ½«IDENTITY(±êʶ)ÁбäΪÆÕͨÁÐ
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GO

UPDATE t1 SET ID_temp=ID
ALTER TABLE t1 DROP COLUMN ID
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GO

--2. ½«ÆÕͨÁбäΪ±êʶÁÐ
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SET IDENTITY_INSERT t1_temp ON
INSERT t1_temp(ID,A) SELECT * from t1
SET IDENTITY_INSERT t1_temp OFF
DROP TABLE T1
GO

EXEC sp_rename N't1_temp',N't1'
INSERT t1 VALUES(109999)
GO

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ID A
----------------- -----------
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100 9
109999 10
--*/


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