USER_AUDIT_SESSION

SQL>DESC USER_AUDIT_SESSION

 Name                                     Null?                Type
------------------------------------------------- ----------------------------
 OS_USERNAME                                          VARCHAR2(255)
 USERNAME                                                   VARCHAR2(30)
 USERHOST                                                    VARCHAR2(128)
 TERMINAL                                                     VARCHAR2(255)
 TIMESTAMP                                                      DATE
 ACTION_NAME                                                  VARCHAR2(28)
 LOGOFF_TIME                                                    DATE
 LOGOFF_LREAD                                                   NUMBER
 LOGOFF_PREAD                                                   NUMBER
 LOGOFF_LWRITE                                                  NUMBER
 LOGOFF_DLOCK                                                  VARCHAR2(40)
 SESSIONID                                 NOT NULL            NUMBER
 RETURNCODE                           NOT NULL             NUMBER
 CLIENT_ID                                                                 VARCHAR2(64)
 SESSION_CPU                                                           NUMBER
 EXTENDED_TIMESTAMP                                  TIMESTAMP(6) WITH TIME ZONE
 PROXY_SESSIONID                                           NUMBER
 GLOBAL_UID                                                       VARCHAR2(32)
 INSTANCE_NUMBER                                    NUMBER
 OS_PROCESS                                        VARCHAR2(16)