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Sets

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    #1

    Sets

    I have a table which contains contact infromation including an email address field. I have another table which includes an email address field. I am trying to create a set which displays the records from the first table (Parent) provided the email address is not included in the second table (Child). I then set the 'Include record from parent table:' field to 'Only if a matching child record does NOT exist' and save the new set. If I then try and open the set in design or runtime view, it hangs the database. Any suggestions?
    Tags: None
    #2
    RE: Sets

    Ewan,

    Don't know why this is happening for you, but I have an alternative idea that might help.

    Try creating an inverted set. In the new set make the original child table primary. Link the originaly parent table as child using a 1:1 link.

    Query the set to show only primary table records that have blank email fields and you should be good to go.

    -- tom

    Comment

      #3
      RE: Sets

      Ewan,

      On re-reading your message I've begun to think I might have misunderstood you. Please clarify what you mean by '...the email address is not included in the second table (Child)."

      Are you looking for child table records that have blank email address fields ? Are you looking for child table records whose email address fields no longer match the email address field in the primary table ? Both ?

      In either or both cases the inverted set might still be a very handy way to arrange the tables. Using an inverted set you could step through the records and mark those which don't have matching email address fields, for example.

      -- tom

      Comment

        #4
        RE: Sets

        Consider having one place for your clients email address as you seem to have redundant or duplicated data.

        Comment

          #5
          RE: Sets

          Hi Tom,

          What I want is if a record in the parent form has the same email address as a record in the child form, it should not be displayed. ie if the two email fields match, the record should not be displayed in the set.

          The database is being built round tables used in a netmailer application and the child table records are people who have requested they be excluded from any further emails. Netmailer takes care of the actual exclusion as far as the send is concerned but the form requires to show only persons who will be emailed.

          Hope this clears it up.

          Ewan

          Comment

            #6
            RE: Sets

            Tom,

            got the reply wrong, what I should have said is

            What I want is if a record in the parent TABLE has the same email address as a record in the child TABLE, it should not be displayed. ie if the two email fields match, the record should not be displayed in the set.

            Ewan

            Comment

              #7
              RE: Sets

              Ewan, if the current linkage is 1:N I again recommend you use a new set, inverting the original sequence for the tables and making the link 1:1.

              --tom

              Comment

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