Understanding SQL Server Logins and Users
Introduction SQL Server is a powerful relational database management system (RDBMS) developed by Microsoft. A crucial aspect of managing any database system is ensuring that the right people have the right access to the database. This is where SQL Server logins and users come into play. In this blog, we'll delve into the concepts of SQL Server logins and users, their differences, and how to manage them effectively. SQL Server Logins What are Logins? A login in SQL Server is a security principal that is used to connect to the SQL Server instance. It's essentially the first step in the authentication process, determining who you are. Logins can be created for: Windows Authentication : Uses Windows accounts to authenticate users. It can be a Windows domain account or a local Windows account. SQL Server Authentication : Uses a username and password stored in SQL Server. Creating Logins You can create logins using SQL Server Management Studio (SSMS) or T-SQL commands. Here’s how yo