V$SESSTAT displays user session statistics. To find the name of the statistic associated with each statistic number (STATISTIC#), query the V$STATNAME view.
| Column | Datatype | Description | 
|---|---|---|
| SID | NUMBER | Session identifier | 
| STATISTIC# | NUMBER | Statistic number Note: Statistics numbers are not guaranteed to remain constant from one release to another. Therefore, you should rely on the statistics name rather than its number in your applications. | 
| VALUE | NUMBER | Statistic value |