MSSQL Server修改标识列方法

 

----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 GO ----添加主键 ALTER TABLE tablename ADD CONSTRAINT PRIMARY KEY(columnname);