take out the " "

FOR /F ["options"] %variable IN (file-set) DO command [command-parameters]

FOR /F ["options"] %variable IN ('string') DO command [command-parameters]

FOR /F ["options"] %variable IN (`command`) DO command [command-parameters]

for example

FOR...

ALTER DATABASE YourDB SET RESTRICTED_USER WITH ROLLBACK IMMEDIATE

ALTER DATABASE YourDB SET SINGLE_USER WITH ROLLBACK IMMEDIATE

Or this will do the job. Sorry about the cursor, an old script but you...

1) How to give dbo_access to a user?

sp_rolemember 'db_owner','username'

or sp_changedbowner 'username' (if you like)

2) What is the use of schemas?

Enable more granular security within a database. You can assign right...