SHOW PARAMETER AUDIT
ALTER SYSTEM SET audit_trail=db SCOPE=SPFILE
AUDIT_TRAIL = { none | os | db | db,extended | xml | xml,extended }
- none or false - Auditing is disabled.
- db or true - Auditing is enabled, with all audit records stored in the database audit trial (SYS.AUD$).
- db,extended - As db, but the SQL_BIND and SQL_TEXT columns are also populated.
- xml- Auditing is enabled, with all audit records stored as XML format OS files.
- xml,extended - As xml, but the SQL_BIND and SQL_TEXT columns are also populated.