It's best not to look for answers in the database.. relationship between tables is quite complex one.
In the app, you should enable reader ports under hardware / reader tab.
Ones enabled, you need to add that reader to access rights.
Only then you will see valid transactions in the monitoring.
Personnel records and settings are kept in the main database, all activity and events - in History database, referencing person ID numbers, etc, specified in the main database, so again, looking at SQL alone will not be very easy, since data is spread across a minimum of 2 databases.
Try to follow the manual how to create a reader, access right, person, etc.
Thank you Alex for your reply,
If I configure the reader I will see the records on the database? Because I have seen that on database sql server a records of events for exemple:
Person : smith
Date: 02/04/2017 12:30
Reader ID: 45
Reader Number: 8195
Where to configure this paramètres? Or its generated automatically by creating a reader on SP?