>Hi dorin
>
>>Version 2.1 has virtual monitoring tables, you can query mon$attachments table for connections to database, or mon$statements for sql queries. But this feature need database structure upgrade to last version.
>
>Wow, that has helped!
>
>I believe I can look for unique MON$REMOTE_ADDRESS to know the number of users, becuase MON$REMOTE_PID generates one for each application instance even on the same computer.
>
>As for MON$STATEMENTS what is the logic behind it? I think I can see only SQL-PT made from VFP but not the RV sql statements of VFP. Please correct me if I am wrong.
>
>Thanks a lot.

I believe that only active statements are returned.
You can cancel long running sql queries by "DELETE FROM mon$statements"