Auditing in the Oracle database stores information about database activities. The activities to be audited are specified by the DBA. Once enabled, auditing records the activity in the AUD$ table, owned by SYS.
Storing information about activities in the database in the SYS.AUD$ table. Auditing is controlled by the DBA.
Auditing can be fine-tuned in a number of ways. It can be restricted to particular objects or to specific users or based on whether the action is successful or unsuccessful. In other words, you might not care if users who are granted rights to a table access the table, but you might want to know when users without rights to a table try to access that table.
The types of auditing can be divided into two ...