What does sp_ addrolemember do?

Question

Adds a database user, database role, Windows login, or Windows group to a database role in the current database. Renames a database user or changes its default schema. In other words, using sp_addrolemember , you could only add database user, database role, Windows login, or Windows group in the current database. 2 апр. 2016 г.

What can db_owner do?

db_ownerThe db_owner role allows a user to do anything within the database.DBAs who are already members of the sysadmin fixed server role come in as dbo and don't need this role explicitly granted to them.Normal users should not be a member of this role.Understanding SQL Server fixed database roles

What rights does Ddladmin have?

Members of the db_ddladmin fixed database role can run any Data Definition Language (DDL) command in a database. Members of the db_datawriter fixed database role can add, delete, or change data in all user tables. Members of the db_datareader fixed database role can read all data from all user tables and views.

What is a database role?

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 role?

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.

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