DBA_AUDIT_EXISTS

DBA_AUDIT_EXISTS displays audit trail entries produced by AUDIT EXISTS and AUDIT NOT EXISTS.

Column	Datatype	NULL	Description
`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)`		Client host machine name
`TERMINAL`	`VARCHAR2(255)`		Identifier of the user's terminal
`TIMESTAMP`	`DATE`		Date and time of the creation of the audit trail entry (date and time of user login for entries created by `AUDIT SESSION`) in the local database session time zone
`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(28)`		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` - Action succeeded `2004` - Security violation
`CLIENT_ID`	`VARCHAR2(64)`		Client identifier in each Oracle session
`ECONTEXT_ID`	`VARCHAR2(64)`		Application execution context identifier
`SESSION_CPU`	`NUMBER`		Amount of CPU time used by each Oracle session
`EXTENDED_TIMESTAMP`	`TIMESTAMP(6) WITH TIME ZONE`		Timestamp of the creation of the audit trail entry (timestamp of user login for entries created by `AUDIT SESSION`) in UTC (Coordinated Universal Time) time zone
`PROXY_SESSIONID`	`NUMBER`		Proxy session serial number, if an enterprise user has logged in through the proxy mechanism
`GLOBAL_UID`	`VARCHAR2(32)`		Global user identifier for the user, if the user has logged in as an enterprise user
`INSTANCE_NUMBER`	`NUMBER`		Instance number as specified by the `INSTANCE_NUMBER` initialization parameter
`OS_PROCESS`	`VARCHAR2(16)`		Operating System process identifier of the Oracle process
`TRANSACTIONID`	`RAW(8)`		Transaction identifier of the transaction in which the object is accessed or modified
`SCN`	`NUMBER`		System change number (SCN) of the query
`SQL_BIND`	`NVARCHAR2(2000)`		Bind variable data of the query
`SQL_TEXT`	`NVARCHAR2(2000)`		SQL text of the query
`OBJ_EDITION`	`VARCHAR2(30)`		???

Note:

The SQL_BIND and SQL_TEXT columns are only populated if the AUDIT_TRAIL initialization parameter is set to db_extended.