Database read-only settings and cancel __ Database

--extremely depressed, in the file for a long time:

sp_dboption ' database name '

--Displays or changes database options. Do not use sp_dboption to modify options for the master database or the tempdb database.

--The next version of Microsoft SQL Server will remove this feature. Instead, ALTER DATABASE should be used.

-->sp_dboption ' database name ', ' Read Only ', ' true '; --Set the database to read-only

-->sp_dboption ' database name ', ' Read Only ', ' false '; --Canceling read-only