To Grant and Revoke SQL Server User Login witout wizard,SQL server provides the built in stored procedure named sp_grantlogin and sp_revokelogin,this store procedure takes the loginname as parameter
syntax for grant login
- exec [sys].[sp_grantlogin] 'UserLoginName'
syntax for revoke login
- exec [sys].[sp_revokelogin] 'UserLoginName'