Data generated by statistics event monitors

Statistics event monitors record statistics events that occur when using the database. The definition of the statistics event monitor specifies where the database records the events. You can choose to have the output from a statistics event monitor written to regular tables, files, or named pipes.

Regardless of the output format you choose, all data captured by statistics event monitors is written to one of the following logical data groups: The statistics event monitor can write captured data for the following logical data groups to tables, files, or named pipes:

EVENT_SCSTATS
EVENT_WCSTATS
EVENT_WLSTATS
EVENT_QSTATS
EVENT_HISTOGRAMBIN

If you choose to have the statistics event monitor data written to regular tables, then the following three additional logical data groups are available:

EVENT_SCMETRICS
EVENT_WLMETRICS
The CONTROL logical data group is used to generate metadata about the event monitor itself