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Oracle® Database Reference
11g Release 1 (11.1)

Part Number B28320-01
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DBA_AUDIT_SESSION displays all audit trail records concerning CONNECT and DISCONNECT.

Related View

USER_AUDIT_SESSION contains audit trail records concerning connections and disconnections of the current user.

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
ACTION_NAME VARCHAR2(28)   Name of the action type corresponding to the numeric code in the ACTION column in DBA_AUDIT_TRAIL
LOGOFF_TIME DATE   Date and time of user log off
LOGOFF_LREAD NUMBER   Logical reads for the session
LOGOFF_PREAD NUMBER   Physical reads for the session
LOGOFF_LWRITE NUMBER   Logical writes for the session
LOGOFF_DLOCK VARCHAR2(40)   Deadlocks detected during the session
SESSIONID NUMBER NOT NULL Numeric ID for each Oracle session
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
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