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  1. #1
    Join Date
    Sep 2007

    Question Unanswered: Good design for multiple formulas of one set of data?

    I am moving from what was an Excel sheet to a hopefully more elegant Access application. One key part of the application is that there is a list of multiple contracts and each one has a unique formula that incorporates different fields from 2 separate tables.

    I would like to end up with a list of contract #s (as column 1) then another field with the formula's calculated result (column 2), which in Excel would obviously be very easy. However, there will be many contracts that will be added and it needs to be easily updated by the eventual user. I'm not sure of the best way to go about doing this in Access.

    1. Create a query based on contract # and put all the information in Expression builder which would result in an unwieldy hard to update (for others) solution

    2. Create individual queries for each contract then another query that has a column for each contract with a DLOOKUP referring to each individual query's result

    Is there a better way to design this?

    Thanks so much,

  2. #2
    Join Date
    Jan 2007
    Provided Answers: 10
    I'd do it in the expresion builder / sql window of a query. Simply because this is the most efficient method!
    SELECT contractNum
         , Field1 + Field2 - Field3 As [oh look, a calculated value!]
    FROM   myTable
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  3. #3
    Join Date
    Apr 2004
    metro Detroit
    Does each contract actually have a unique formula or is the formula based on a set of criteria? Please give a few examples of the formulas.

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