The database administrator (DBA) is primarily responsible for managing access control for a database, as described in Database Server Security. The DBA uses SQL statements to grant and revoke privileges to ensure that the correct individuals are able to perform the actions they need and that untrained or unscrupulous users are kept from performing potentially damaging or inappropriate resource-intensive activities. The IBM Informix: Guide to SQL Tutorial and the IBM Informix: Guide to SQL Syntax are also of interest to the DBA.
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