| 
 
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(2000)   | 
 
   | 
 
Numeric instance ID for the Oracle instance from which the user is accessing the database   | 
| 
 
TERMINAL    | 
 
VARCHAR2(2000)   | 
 
   | 
 
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 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 Server message code generated by the action. Some useful values:
 
- zero: the action succeeded
  - 2004: security violation
     |