Data generated by connections event monitors
Connections event monitors capture metrics and other monitor elements for each connection to the database by an application. You can choose to have the ouput written to files, named pipes or regular tables.
Regardless of the output format you choose, all connections event
data comes from one of three logical groups:
In addition, if you choose to have the connections event data
written to tables, data from an additional group (CONTROL) is used
to generate metadata about the event monitor itself.