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Compare Fields within Record on Query

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  • Compare Fields within Record on Query

    Greetings All,

    Its been a while since I have been here, but life goes on... I seem to be experiencing a "senior moment" !!

    I have a set of huge files that I had to "summarize" which I have done and that much is good.

    In a few of the files I selected both the "first" and "last" field item in the summarized file, with the file(s) properly sorted.

    What I wanted to do was run a Query on the Resulting Tables and determine
    which records did not have the same "First" & "Last" values.

    When running a Query I cannot figure out how to use the value of another field in the table as the "compare to" of the first field?

    You can do this, correct?
    Keith Weatherhead
    Discus Data, Ltd
    [email protected]

  • #2
    Re: Compare Fields within Record on Query

    More details and some sample data would help me understand your situation.

    Comment


    • #3
      Re: Compare Fields within Record on Query

      Tom,

      I did a Summarize Operation and for a few of the fields I grabbed both the First and Last Value for the field, so the result table has 2 fields for this value a,
      First_Value and a Last_Value.

      I wanted to do a Query and find out how many records there are that the First_value and Last_Value do not match... I was trying to do this WITHOUT writing any code (xbasic).

      It seems that the Query Genie lets you test a field's value against any type of equality "value", but not against another "field's value", or I am missing something, somewhere.... just been awhile since I have been able to play with A5.....

      Keith
      Keith Weatherhead
      Discus Data, Ltd
      [email protected]

      Comment


      • #4
        Re: Compare Fields within Record on Query

        Maybe it's how you're looking at the problem.

        Stated differently aren't you trying to query the table for records where the value in the first_value field is not equal to the value in the last_value field?

        If so, then something like

        first_value <> last_value

        may be the ticket.

        Comment


        • #5
          Re: Compare Fields within Record on Query

          Tom,

          You are correct in that I am looking for the non-matches...

          In the Query Genie, how do I tell it to look at another Field's value
          rather than a literal value?

          Keith
          Keith Weatherhead
          Discus Data, Ltd
          [email protected]

          Comment


          • #6
            Re: Compare Fields within Record on Query

            In the genie dialog where you specify a value use the second option which is 'Specify a value now'. Enter your field name preceded with an equals sign. As per the Tip just below the input control.

            You can see the result of this using the the small binocular icon in the lower right of the genie window.

            Or use the XY button further down and change to expression builder mode.
            Tim Kiebert
            Eagle Creek Citrus
            A complex system that does not work is invariably found to have evolved from a simpler system that worked just fine.

            Comment


            • #7
              Re: Compare Fields within Record on Query

              Keith,

              check this jing project video I've made for you. To do this with the Query Genie you can use the Expression Builder.

              http://screencast.com/t/NDM4ZjYw

              Comment


              • #8
                Re: Compare Fields within Record on Query

                Tim & Tom,

                Thanx for your responses, in this case Tim, you got what I was stuck on, thanx ! For the life of me I could not figure our where/how to get it to reference another field rather than a literal value.

                Thanx to both of you !!

                Keith



                Originally posted by Tim Kiebert View Post
                In the genie dialog where you specify a value use the second option which is 'Specify a value now'. Enter your field name preceded with an equals sign. As per the Tip just below the input control.

                You can see the result of this using the the small binocular icon in the lower right of the genie window.

                Or use the XY button further down and change to expression builder mode.
                Keith Weatherhead
                Discus Data, Ltd
                [email protected]

                Comment


                • #9
                  Re: Compare Fields within Record on Query

                  Tom,

                  Actually not confusing at all, very nice, simple and to the point.
                  Yet another way to do it... Tim went about it a different way...
                  But both solve my problem. Thanx again !!

                  This is truly the value of this Phorum !!!

                  Thanx,
                  Keith



                  Originally posted by Tom Cone Jr View Post
                  Keith,

                  check this jing project video I've made for you. To do this with the Query Genie you can use the Expression Builder.

                  http://screencast.com/t/NDM4ZjYw
                  Keith Weatherhead
                  Discus Data, Ltd
                  [email protected]

                  Comment

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