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Fields rules table lookup problem

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    Fields rules table lookup problem

    I am creating a lookup field (dm field - short for dam, which is a female horse)
    I followed the instructions 'using field rules to generate a table lookup'

    When I select the drop down box on the form the dam names appear and then an id entered into the dm field when I click on the name.
    However, if I select a dam name where that dam has more than one offspring I get an error saying value must be unique (I need the dm field to be unique cause it is an id. For example, if you select the horse 'Saturna' from the dropdownlist you'll see an error wrt unique field - you'll also notice the slow latency as you type in the name).

    My other issue is that the default value appearing on the dm field now becomes a horses name - which I dont want as this is an id field. Im using the name in the dropdlist to find the correct id.

    Also when I enter in letters in the dropdown box the latency is extremely slow. If I create this in a browser as opposed to desktop will the speed be better?

    I hope this makes sense.

    I want to attach the database but its 10megs big is there anyway I can email (or put it in dropbox) to someone who can assist?

    Re: Fields rules table lookup problem

    Steven, may I suggest that you create a test bed or "sand box" copy of your database for use in testing and development. Enter only a handful of representative records. Keep the size small. Will speed development and make it easier to get assistance here.

    As a rule this board works better if each thread of messages is limited to a single question or issue. Doing that can be tedious of course, but the beneficial result is that each thread becomes a mini-knowledge base. Very handy for other travelers wandering through the forum later on.

    It sounds like you misapprehend what the unique values field rule is intended to do. Or, you're confused about how to relate tables together. An "id" field need not be unique in order to be useful. Why do you want the dm field to be unique when multiple horses may share a common mother? Seems wrong to me.

    Later on...

    In the relational system primary keys must be unique, but foreign keys should never be unique. Ok?
    Last edited by Tom Cone Jr; 11-18-2011, 10:13 AM.


      Re: Fields rules table lookup problem

      Maybe my response to your other thread (below) will help you with this whole concept.
      Mike W
      "I rebel in at least small things to express to the world that I have not completely surrendered"


        Re: Fields rules table lookup problem

        Thanks for the replies.
        I created a sandbox db just with the one table I could upload it here it here but now the problem disappears on my sandbox db.
        Is there a way to export my whole current db with only say the first 100 records in each table? I know how to export the raw data but I want to export field rules indexes etc. cause Im clearly missing something when I tired to re create the table.


          Re: Fields rules table lookup problem

          Is there a way to export my whole current db with only say the first 100 records in each table?
          No but you can copy the contents of the current db directory to a new directory, open it there, delete records, and zip that.
          There can be only one.