SET QUOTED_IDENTIFIER ON  SET ANSI_NULLS ON  GO  create procedure sys.sp_dbcmptlevel      -- 1997/04/15   @dbname sysname = NULL,         -- database name to change   @new_cmptlevel tinyint = NULL OUTPUT  -- the new compatibility level to change to  as   set nocount  on     declare @exec_stmt nvarchar(max)   declare @returncode int   declare @comptlevel float(8)   declare @dbid int          -- dbid of the database   declare @dbsid varbinary(85)    -- id of the owner of the database   declare @orig_cmptlevel tinyint   -- original compatibility level   declare @input_cmptlevel tinyint  -- compatibility level passed in by user     ,@cmptlvl80 tinyint       -- compatibility to SQL Server Version 8.0     ,@cmptlvl90 tinyint       -- compatibility to SQL Server Version 9.0     ,@cmptlvl100 tinyint        -- compatibility to SQL Server Version 10.0   select @cmptlvl80 = 80,       @cmptlvl90 = 90,       @cmptlvl100 = 100     -- SP MUST BE CALLED AT ADHOC LEVEL --   if (@@nestlevel > 1)   begin     raiserror(15432,-1,-1,'sys.sp_dbcmptlevel')     return (1)   end     -- If no @dbname given, just list the valid compatibility level values.   if @dbname is null   begin     raiserror (15048, -1, -1, @cmptlvl80, @cmptlvl90, @cmptlvl100)     return (0)   end     -- Verify the database name and get info   select @dbid = dbid, @dbsid = sid ,@orig_cmptlevel = cmptlevel     from master.dbo.sysdatabases     where name = @dbname     -- If @dbname not found, say so and list the databases.   if @dbid is null   begin     raiserror(15010,-1,-1,@dbname)     print ' '     select name as 'Available databases:'       from master.dbo.sysdatabases     return (1)   end     -- Now save the input compatibility level and initialize the return clevel   -- to be the current clevel   select @input_cmptlevel = @new_cmptlevel   select @new_cmptlevel = @orig_cmptlevel     -- If no clevel was supplied, display and output current level.   if @input_cmptlevel is null   begin     raiserror(15054, -1, -1, @orig_cmptlevel)     return(0)   end     -- If invalid clevel given, print usage and return error code   -- 'usage: sp_dbcmptlevel [dbname [, compatibilitylevel]]'   if @input_cmptlevel not in (@cmptlvl80, @cmptlvl90, @cmptlvl100)   begin     raiserror(15416, -1, -1)     print ' '     raiserror (15048, -1, -1, @cmptlvl80, @cmptlvl90, @cmptlvl100)     return (1)   end     -- Only the SA or the dbo of @dbname can execute the update part   -- of this procedure sys.so check.   if (not (is_srvrolemember('sysadmin') = 1)) and suser_sid() <> @dbsid     -- ALSO ALLOW db_owner ONLY IF DB REQUESTED IS CURRENT DB     and (@dbid <> db_id() or is_member('db_owner') <> 1)   begin     raiserror(15418,-1,-1)     return (1)   end     -- If we're in a transaction, disallow this since it might make recovery impossible.   set implicit_transactions off   if @@trancount > 0   begin     raiserror(15002,-1,-1,'sys.sp_dbcmptlevel')     return (1)   end     set @exec_stmt = 'ALTER DATABASE ' + quotename(@dbname, '[') + ' SET COMPATIBILITY_LEVEL = ' + cast(@input_cmptlevel as nvarchar(128))     -- Note: database @dbname may not exist anymore   exec(@exec_stmt)     select @new_cmptlevel = @input_cmptlevel     return (0) -- sp_dbcmptlevel  GO 

sp_dbcmptlevel [ [ @dbname = ] name ] [ , [ @new_cmptlevel = ] version ] 

[ @dbname = ] name