Lists columns and associated privileges for the given table. Returns an ODBC result identifier or FALSE on failure.

Never connect to the database as a superuser or as the database owner. Use always customized users with very limited privileges.

Lists tables in the requested range and the privileges associated with each table. Returns an ODBC result identifier or FALSE on failure.

You may create different database users for every aspect of your application with very limited rights to database objects. The most required privileges should be granted only, and avoid that the same user can interact with the database in different use cases. This means that if intruders gain access to your database using one of these credentials, they can only effect as many changes as your application can.