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How to summarise data on table with different columns

  1. #1
    Join Date
    Dec 2018

    How to summarise data on table with different columns

    I can't seems to understand how to do this, just a newbie.

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  2. #2
    ranman256's Avatar
    ranman256 is offline VIP
    Windows Vista Access 2010 32bit
    Join Date
    Apr 2014
    1st, the data should not be stored this way in a table. It appears you only need 2 columns, then the sum is easy.
    so, as is, create some queries,
    Q1, to sum P1,A1
    Q2, to sum P2,A2, etc

    then make a UNION query to collect Q1 thru 3
    select * from Q1
    select * from Q2
    select * from Q3

    then the final query can sum items from the union.

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