Collation Error

Question

I am using Microsoft SQL Server Management Studio. I have two databases one is the system database, which has the master database and the other one is my database called C

Answer 1

Need to set it to SINGLE_USER first.

ALTER DATABASE [database] SET SINGLE_USER WITH ROLLBACK IMMEDIATE; 

GO 

ALTER DATABASE [database] COLLATE SQL_1xCompat_CP850_CI_AS; 

GO 

ALTER DATABASE [database] SET MULTI_USER; 

GO