What is SQL role?

Question

SQL Server roles lets you group user logins together and manage server-level permissions. They play a central part in SQL Server security. SQL Server has two types of roles: Fixed server roles, which are built into SQL Server, and do not allow you to modify permissions or user-defined roles.

What is the purpose of creating a role in SQL?

SQL roles are useful for administering privileges when a database has many users. Roles provide a more powerful way to grant privileges to users' sessions than to grant privileges to each user of the database, which easily becomes tedious and error-prone when many users are involved.

What is a role in database?

A role is a collection of privileges that can be granted to one or more users or other roles. Roles help you grant and manage sets of privileges for various categories of users, rather than grant those privileges to each user individually.

What is SQL public role?

When a SQL Server login is created, the public role is assigned to the login and cannot be revoked. After creating the login, if that server principal is not granted or denied specific permissions on any securable object, the login will automatically inherit the permissions granted to the public role.

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