有数据的话
ALTER TABLE test ADD 编号1 bigint identity(1,1) not null
go
SET IDENTITY_INSERT test ON
go
update test set 编号1=id
go
SET IDENTITY_INSERT test OFF
go
ALTER TABLE test DROP COLUMN id
go
exec sp_rename 'test.编号1','id'
go
ALTER TABLE test ADD 编号1 bigint identity(1,1) not null
go
SET IDENTITY_INSERT test ON
go
update test set 编号1=id
go
SET IDENTITY_INSERT test OFF
go
ALTER TABLE test DROP COLUMN id
go
exec sp_rename 'test.编号1','id'
go
解决方案 »
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