What is Best Way to calculate presence time....

  • Thanks a lot lutz;)

    I think your solution is great and I think it must change my way to thinking about queries.;-)

    Sorry about wasting your time to learn how to upload a question... I know how grateful you are...

    So I take 3 advantage here from you:

    1- My problem solved

    2- I have learned how to upload a query to a friend for help

    3- I'm trying to change the way of thinking to queries

    Best Regards,
    Ashkan

Viewing post 16 (of 15 total)

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