Purge Unified Audit Trail

 

As the sys or system user 

select  count(*) from unified_audit_trail

/

BEGIN

DBMS_AUDIT_MGMT.CLEAN_AUDIT_TRAIL(

audit_trail_type         =>  DBMS_AUDIT_MGMT.AUDIT_TRAIL_UNIFIED,

use_last_arch_timestamp  =>  FALSE);

END;

/

select  count(*) from unified_audit_trail

/