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corrupted pack

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    corrupted pack

    I have a table that when I perform a pack command the table blows up to 10K times the size. The resultant table is saved as a ".$$m" extension. The data doesn't APPEAR to have a problem when I view the old table. The new table cannot be opened. Any Ideas would help

    Bob Sullivan

    #2
    RE: corrupted pack

    I remember something similar a while back, especially the file size. We traced our problem to "strange" data in a memo field. Seemed as if Alpha was reserving "extra" space for all records based on the size of the data in one memo field. Is it feasible for you to check for something like this in your original table?

    If you have memo fields in the table, duplicate the table, edit the structure of the new table, delete the memo field, try packing the duplicate table.
    There can be only one.

    Comment


      #3
      RE: corrupted pack

      Thanks for the quick response and you were correct about the memo field. Is there documentation on how I can determine the memo problem before the glitch occurs.

      Bob Sullivan

      Comment


        #4
        RE: corrupted pack

        Sorry, no. We never determined the cause. In fact, we did away with memo fields entirely and substituted fixed length text fields, user enterable of course.
        There can be only one.

        Comment


          #5
          RE: corrupted pack

          Once again thank you



          Bob Sullivan

          Comment


            #6
            RE: corrupted pack

            Because Memo fields have caused some problems with Alpha 5 (and Alpha 4) and also with other programs, several years back I began creating a separate table for the memo fields and one link field. I then link these in a one-to-one with the parent table. If the memo field ever messes up, You can delete it, restore it from a abckup etc without affecting the rest of your data.

            Regards,

            Ira J. Perlow
            Computer Systems Design & Associates
            [email protected]
            Regards,

            Ira J. Perlow
            Computer Systems Design


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              #7
              RE: corrupted pack

              Thank you for your input

              Bob Sullivan

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