USE MASTER
GO
SP_CONFIGURE ‘ALLOW UPDATES’,1
GO
RECONFIGURE WITH OVERRIDE
GO
UPDATE SYSDATABASES SET STATUS =32768 WHERE NAME=‘置疑的数据库名’
Go
sp_dboption ‘置疑的数据库名’,‘single user’,‘true’
Go
DBCC CHECKDB(‘置疑的数据库名’)
Go
update sysdatabases set status=28 where name=‘置疑的数据库名’
Go
sp_configure ‘allow updates’,0
GO
reconfigure with override
Go
sp_dboption ‘置疑的数据库名’, ‘single user’,‘false’
Go