use master
go
SP_CONFIGURE 'ALLOW UPDATES',1 RECONFIGURE WITH OVERRIDE
go

UPDATE SYSDATABASES SET STATUS =32768 WHERE NAME='置疑的數據庫名''
go

sp_dboption '置疑的數據庫名'', 'single user', 'true'
go

DBCC CHECKDB('置疑的數據庫名'')
go

update sysdatabases set status =28 where name='置疑的數據庫名''
go

sp_configure 'allow updates', 0 reconfigure with override
go

sp_dboption '置疑的數據庫名'', 'single user', 'false'
go