允许对系统表进行更新 exec sp_configure 'allow updates',1 reconfigure with override GO----取消标识列标记 update syscolumns set colstat = 0 where id = object_id('tablename') and colstat = 1 GO--插入id=8001-8003的行 ...----恢复标识列标记 update syscolumns set colstat = 1 where id = object_id('tablename') and name = '标识列名称'----重新设置标识的起始值 DBCC CHECKIDENT (表名称, RESEED, 10003)----禁止对系统表进行更新 exec sp_configure 'allow updates',0 reconfigure with override alter table tempgclass add primary key(id)---添加主键
exec sp_configure 'allow updates',1
reconfigure with override
GO----取消标识列标记
update syscolumns set colstat = 0 where id = object_id('tablename') and colstat = 1
GO--插入id=8001-8003的行
...----恢复标识列标记
update syscolumns set colstat = 1 where id = object_id('tablename') and name = '标识列名称'----重新设置标识的起始值
DBCC CHECKIDENT (表名称, RESEED, 10003)----禁止对系统表进行更新
exec sp_configure 'allow updates',0
reconfigure with override
alter table tempgclass add primary key(id)---添加主键
2000是可以,在企业管理里—实例—属性(允许修改系统表)
更改syssysusers表