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  1. #1
    munkifisht is offline Novice
    Windows Vista Access 2007
    Join Date
    Jul 2009

    Exclamation Use Table1 to update Table2? Urg Help needed

    I have 2 tables, I will simplify the situation. Say I have table1, it has the fields "ID", "Tag", "Date", and table2 and the fields "ID" "TAG". Table1 contains an old version of the dataset, and table2 is updated every so often.

    I want to do two things. First, I want to update Table1 with the new dataset on the either automatically or with the click of a mouse with the data that is in Table2.

    The other thing I want to do is I want to check that the data in Table1 is not unique, ie, if a value exists in table1 and not in table2, I want it removed, but I want it moved to a table called Dump so it can be reviewed before it is removed.

    Take this as an example

    Table1 "Tag" dataset

    Table2 "Tag" dataset

    This will become

    Table1 "Tag" dataset

    Dump "Tag" dataset

  2. #2
    RuralGuy's Avatar
    RuralGuy is offline Administrator
    Windows 10 Access 2013 32bit
    Join Date
    Mar 2007
    8300' in the Colorado Rocky Mountains
    Start by letting the query wizard create an "Unmatched" query for you.
    (RG for short) aka Allan Bunch Previous MS Access MVP - WinXP Pro, Win7 Pro Win10 Pro - acXP, ac07, ac10, ac13
    How to mark the thread as Solved!
    Teaching is not filling a bucket but lighting a fire.
    Borrowed quote..."Docendo discimus"

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