11.2. Granting and Revoking Privileges
Privileges are rights to execute specific SQL statements. The DBA grants privileges to user accounts to control what users can do in the database. There are two kinds of privileges: system privileges and object privileges. The GRANT command allocates system and object privileges to a user. The REVOKE command removes privileges from a user.
The right to perform a specific action in the database, granted by the DBA or other database users.
Roles provide an easy way to group privileges together and assign them to one or more users in the database.
11.2.1. System Privileges
System privileges allow users to perform a specific action on one or more database objects or users in the database. There ...