V$XS_SESSION displays information about the state of the XS$SESSION and XS$GLOBAL_VAR namespaces for all lightweight user sessions in the database.
| Column | Datatype | NULL | Description | 
|---|---|---|---|
| USERNAME | VARCHAR2(4000) | NOT NULL | Name of the lightweight user associated with the lightweight user session | 
| USERID | RAW(16) | NOT NULL | Global unique identifier of the lightweight user associated with the lightweight user session | 
| ACLOID | RAW(16) | UUID of the ACL on the lightweight user session | |
| COOKIE | VARCHAR2(1024) | Server-unique cookie value associated with the session | |
| PROXYID | RAW(16) | UUID of the previous XS user who, through the SWITCH_USERAPI, has proxied into the current lightweight user identity | |
| CREATORID | RAW(16) | NOT NULL | UUID of the user that created the lightweight user session | 
| UPDATEID | RAW(16) | NOT NULL | UUID of the user that last accessed the lightweight user session | 
| CREATETIME | TIMESTAMP(6) | NOT NULL | Creation time for the lightweight user session | 
| LAST_AUTH | TIMESTAMP(6) | NOT NULL | Last time the lightweight user was authenticated Note: The application or middle-tier must call the  | 
| LAST_ACCESS | TIMESTAMP(6) | NOT NULL | Time when the lightweight user session was last accessed | 
| TIMEOUT | NUMBER(6) | Amount of time (in minutes) before the session is considered to have timed out | |
| NLS_CALENDAR | VARCHAR2(255) | NLS_CALENDARparameter corresponding to the lightweight user session | |
| NLS_COMP | VARCHAR2(255) | NLS_COMPparameter corresponding to the lightweight user session | |
| NLS_CURRENCY | VARCHAR2(255) | NLS_CURRENCYparameter corresponding to the lightweight user session | |
| NLS_DATE_FORMAT | VARCHAR2(255) | NLS_DATE_FORMATparameter corresponding to the lightweight user session | |
| NLS_DATE_LANGUAGE | VARCHAR2(255) | NLS_DATE_LANGUAGEparameter corresponding to the lightweight user session | |
| NLS_ISO_CURRENCY | VARCHAR2(255) | NLS_ISO_CURRENCYparameter corresponding to the lightweight user session | |
| NLS_LANGUAGE | VARCHAR2(255) | NLS_LANGUAGEparameter corresponding to the lightweight user session | |
| NLS_LENGTH_SEMANTICS | VARCHAR2(255) | NLS_LENGTH_SEMANTICSparameter corresponding to the lightweight user session | |
| NLS_NCHAR_CONV_EXCP | VARCHAR2(255) | NLS_NCHAR_CONV_EXCPparameter corresponding to the lightweight user session | |
| NLS_NUMERIC_CHRS | VARCHAR2(255) | NLS_NUMERIC_CHARACTERSparameter corresponding to the lightweight user session | |
| NLS_SORT | VARCHAR2(255) | NLS_SORTparameter corresponding to the lightweight user session | |
| NLS_TERRITORY | VARCHAR2(255) | NLS_TERRITORYparameter corresponding to the lightweight user session | |
| NLS_TIMESTAMP_FMT | VARCHAR2(255) | NLS_TIMESTAMP_FORMATparameter corresponding to the lightweight user session | |
| NLS_TIMESTAMP_TZ_FMT | VARCHAR2(255) | NLS_TIMESTAMP_TZ_FORMATparameter corresponding to the lightweight user session | |
| NLS_DUAL_CURRENCY | VARCHAR2(255) | NLS_DUAL_CURRENCYparameter corresponding to the lightweight user session | |
| APPS_FEATURE | VARCHAR2(255) | ??? |