>> that file I've just copied to server is a database and it has
>> sheduled SP execution inside. And every time I can't find an
>>

If database not active (no one logged) this shedule not necessary
because no changed data ;)

But, if anyone want move bussiness logic from client to server you need
add time-controled-trigger to database (against your client software).

Apropos...
why lack of trigger at user login and logout ?

eMeL