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USE MASTER
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SP_CONFIGURE 'ALLOW UPDATES',
1 RECONFIGURE WITH OVERRIDE
GO
UPDATE SYSDATABASES SET
STATUS =32768 WHERE NAME='his222'
Go
sp_dboption 'test', 'single user', 'true'
Go
DBCC CHECKDB('test')
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update sysdatabases set status =28 where name='test'
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sp_configure 'allow updates', 0 reconfigure with override
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sp_dboption 'test', 'single user', 'false'
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