|  
 OS_USERNAME 
 | 
 
 VARCHAR2(255) 
 | 
 | 
 
 Operating system login username of the user whose actions were audited 
 | 
|  
 USERNAME 
 | 
 
 VARCHAR2(30) 
 | 
 | 
 
 Name (not ID number) of the user whose actions were audited 
 | 
|  
 USERHOST 
 | 
 
 VARCHAR2(128) 
 | 
 | 
 
 Numeric instance ID for the Oracle instance from which the user is accessing the database 
 | 
|  
 TERMINAL 
 | 
 
 VARCHAR2(255) 
 | 
 | 
 
 Identifier of the user's terminal 
 | 
|  
 TIMESTAMP 
 | 
 
 DATE 
 | 
 
 NOT NULL 
 | 
 
 Timestamp for the creation of the audit trail entry 
 | 
|  
 OWNER 
 | 
 
 VARCHAR2(30) 
 | 
 | 
 
 Intended creator of the non-existent object 
 | 
|  
 OBJ_NAME 
 | 
 
 VARCHAR2(128) 
 | 
 | 
 
 Name of the object affected by the action 
 | 
|  
 ACTION_NAME 
 | 
 
 VARCHAR2(27) 
 | 
 | 
 
 Name of the action type corresponding to the numeric code in the ACTION column in DBA_AUDIT_TRAIL 
 | 
|  
 NEW_OWNER 
 | 
 
 VARCHAR2(30) 
 | 
 | 
 
 Owner of the object named in the NEW_NAME column 
 | 
|  
 NEW_NAME 
 | 
 
 VARCHAR2(128) 
 | 
 | 
 
 New name of an object after a RENAME or the name of the underlying object 
 | 
|  
 OBJ_PRIVILEGE 
 | 
 
 VARCHAR2(16) 
 | 
 | 
 
 Object privileges granted or revoked by a GRANT or REVOKE statement 
 | 
|  
 SYS_PRIVILEGE 
 | 
 
 VARCHAR2(40) 
 | 
 | 
 
 System privileges granted or revoked by a GRANT or REVOKE statement 
 | 
|  
 GRANTEE 
 | 
 
 VARCHAR2(30) 
 | 
 | 
 
 Name of the grantee specified in a GRANT or REVOKE statement 
 | 
|  
 SESSIONID 
 | 
 
 NUMBER 
 | 
 
 NOT NULL 
 | 
 
 Numeric ID for each Oracle session 
 | 
|  
 ENTRYID 
 | 
 
 NUMBER 
 | 
 
 NOT NULL 
 | 
 
 Numeric ID for each audit trail entry in the session 
 | 
|  
 STATEMENTID 
 | 
 
 NUMBER 
 | 
 
 NOT NULL 
 | 
 
 Numeric ID for each statement run 
 | 
|  
 RETURNCODE 
 | 
 
 NUMBER 
 | 
 
 NOT NULL 
 | 
 
 Oracle error code generated by the action. Some useful values: 
0: the action succeeded 
2004: security violation 
 
 | 
|  
 CLIENT_ID 
 | 
 
 VARCHAR2(64) 
 | 
 | 
 
 Client identifier in each Oracle session 
 | 
|  
 SESSION_CPU 
 | 
 
 NUMBER 
 | 
 | 
 
 Amount of CPU time used by each Oracle session 
 |