GO
SP_CONFIGURE 'ALLOW UPDATES',1 RECONFIGURE WITH OVERRIDE
GO
UPDATE SYSDATABASES SET STATUS =32768 WHERE NAME='admin'
Go
sp_dboption 'admin', 'single user', 'true'
Go
update sysdatabases set status =28 where name='admin'
Go
sp_configure 'allow updates', 0 reconfigure with override
Go
sp_dboption 'admin', 'single user', 'false'
Go
DBCC CHECKDB('admin')
GO
admin 替换成被质疑的的
数据库的名字即可