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duplicate records in query

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    #1

    duplicate records in query

    i have a set that when i run a query on the set, some records will show more than once, I do not know how to stop.

    greg
    Tags: None
    #2
    Re: duplicate records in query

    More details needed.

    Where are you encountering this? on a report? on a form?

    What is the table position in your set design from which the duplicate records are coming? a parent table? a one to one child table? a one to many child table?

    Which table or combination of tables are you filtering in your query? the parent? a one to one child? a one to many child?

    Experience has taught me that the fastest way to get help here is to post a zipped copy of the database (using dummy data) and instructions for us to follow to trigger / see the problem.

    Duplicate (repeating) field values is often a result of the normal display of composite records. This is the likely cause of what you are seeing, but can't say for sure without much more information from you. A sample to work with would permit virtually immediate, specific, assistance.

    Comment

      #3
      Re: duplicate records in query

      One tip is to view the default browse for the set. If you see "duplicate" records there it is generally due to the nature of a one to many set. The method used to suppress the display of the duplicates depends on the type of layout you are using.
      There can be only one.

      Comment

        #4
        Re: duplicate records in query

        if i delete all records, the zip file is 23 meg and I don't know how to make it smaller but I have a set with a tabbed form that has a button to run a report of past due customers. I have a set with customers as parent and a problem table associated with one to many. For every entry into problem table the customer will show up on the late report. If i have a customers with thre problems, they show up three times

        Comment

          #5
          Re: duplicate records in query

          if i delete all records, the zip file is 23 meg and I don't know how to make it smaller
          You have to pack the table after deleting to physically remove them. If you remove all the records we won't be able to see the issue.

          You might also want to perform a Database Compact.

          Compacting the Database

          When designing forms and reports, the size of the data dictionaries, the DDD and SET files, grows over time as you continue to make edits to the objects in your database. It is a good practice to periodically remove the extra bulk by compacting the database.

          The Compact Database command packs all tables and compresses the data dictionary files. You can check the size of the database before and after compacting to see the file size reduction. You can also select to compact the database when you back it up.

          To compact a database:

          Open the Control Panel.

          Close all Forms, Operations, and any dialog that may have a table open. Alpha Five cannot perform a compact operation on tables with open Forms.

          Select File > Database Compact. Alpha Five completes the Compact Database Operation.

          Code:
          If i have a customers with thre problems, they show up three times
          This is what I would want to happen. What do you want?

          Take a look at Designing Reports for Sets with one to many links.
          Last edited by Stan Mathews; 05-12-2009, 09:33 AM.
          There can be only one.

          Comment

            #6
            Re: duplicate records in query

            For every entry into problem table the customer will show up on the late report.
            As suspected this seems more and more like a problem with your handling of the composite records in your report. There's a useful section in the User's Guide called "Designing Reports for Sets with One-to-Many Links". Recommmended. You will find that the solution involves inserting a group break, probably on your customer id field. Then placement of fields from the customer table in the group header band; and placement of fields from the linked child table in the group details band.

            Comment

              #7
              Re: duplicate records in query

              when i go to reports and view late customers (3 month cutoff) all records with items in problem show show duplicate,

              If problem file has three entrys then it shows three times om report if it is 3 months past duse using 02102009 as due date

              Comment

                #8
                Re: duplicate records in query

                See "cutoff 3 month" report, which I"ve modified. Unzip the attachment to an empty folder to avoid overwriting your own work.

                Your problem is one of misunderstanding the concepts of a "composite table" and "composite records". Review the User Guide section previously recommended to you. Holler again if you have questions.

                -- tom

                Comment

                  #9
                  Re: duplicate records in query

                  late customers (3 month cutoff)
                  Which report might this be? Lots of reports, none named this.
                  There can be only one.

                  Comment

                    #10
                    Re: duplicate records in report??

                    When the report under reprts/ late customers/ 3 month cutoff, it will show duplicate records for every entry in the problem table

                    Comment

                      #11
                      Re: duplicate records in query

                      i might have missed your earlier relpy let me check it out and thanks and sorry for the last post

                      Comment

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