DB의 collation 변경

the database could not be exclusively locked to perform the operation. alter database failed

--ALTER DATABASE latinLang

--COLLATE Korean_Wansung_CI_AS

--GO 

ALTER DATABASE latinLang SET SINGLE_USER WITH ROLLBACK IMMEDIATE; 

GO 

ALTER DATABASE latinLang COLLATE Korean_Wansung_CI_AS; 

GO 

ALTER DATABASE latinLang  SET MULTI_USER; 

GO