ASA SQL User's Guide
  Adding, Changing, and Deleting Data
    Data modification statements

Permissions for data modification

You can only execute data modification statements if you have the proper permissions on the database tables you want to modify. The database administrator and the owners of database objects use the GRANT and REVOKE statements to decide who has access to which data modification functions.

Permissions can be granted to individual users, groups, or the public group. For more information on permissions, see Managing User IDs and Permissions.