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The SQL Server security model, part 1: principals

2014-07-202014-07-28 / Daniel Hutmacher / 5 Comments

There are a number of layers in the SQL Server security model, giving you a nearly infinite number of ways to set up access control on your server and databases. Security is a huge topic, and there are literally entire books on it, so this series of articles is designed to give you just a quick overview of the SQL Server security model to get you started.

In this first installment, I’ll go through the different types of security principals that are available, as well as how they connect to each other.

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A short introduction to application roles

2013-04-212014-06-25 / Daniel Hutmacher / 1 Comment

Application roles provide a practical way to assign application-specific permissions in your database and to make sure that your applications always use a defined login. Not to be confused with actual roles, application roles are more like users in the database.

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