Hi,
I would like to make a query that count simultaneous connection.
Here is my tables
Users (ID_User, Name)
Date_logon (Id_on, Date_logon, time_logon, Num_user#)
Date_logoff (Id_logoff, Date_logoff, time_logoff, Num_user#)
Here is a part of a query that diplay users date and time of log on and...