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Converting database

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    #1

    Converting database

    I am helping a friend convert his Alpha Five Version One database (I know, I know...it works for him but he is afraid that if something were to happen he will be dead in the water) to Alpha Five Version 9. What is the best way to do this without a lot of hassle? Thank you!!!
    Tags: None
    #2
    Re: Converting database

    The differences between the two are substantial. Scripts and coding that worked in A5v1 won't work in V10. A couple might, but I would expect nothing.

    So, the thing to do is build the system that you want in V10, then append the data in from V1 as you need / as you go.

    You can simplify this a bit by making a copy of the V1 tables into your new database folder and using them as a base.

    You may be sitting here reading this thinking that you don't want to completely re-write the system. As long as you know what you want -- and I'll bet you do -- then getting it done in V10 should go pretty quickly (with caveats, of course, for really big or really complex systems) so don't let that impede you.
    -Steve
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      #3
      Re: Converting database

      Thank you, Steve. I was afraid that would be the case. I have worked with other databases but Alpha Five is new to me. I could figure most of it out. Well, got to get to the drawing board and start working on it. Thank you once again.

      Comment

        #4
        Re: Converting database

        We have the Version 8. The database from Version 1 was updated to Version 8. Now we are trying to convert it to Version 9. Do we have to do anything to do that? Copy Data Dictionaries, etc.? to make it work? All modules see to be working except one. Everytime we try to do something in that module we get an error "Record is opened by another user or is in session. Please close before proceeding." No records are opened and nobody else is working on that database because it on a stand-alone system. I have tried everything. Created a new table, imported records from the old table, packed the table...nothing seems to work.

        Any help will be helpful.

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          #5
          Re: Converting database

          Neil,
          Your question got a bit buried. During development, errors like this will happen at times for no apparent reason....if so then normally a restart of Alpha will suffice. There are other times in which, although not easily apparent, you have opened a table without closing it properly....or Alpha choked on something you tried/experimented with and this left a table open. Try to reproduce the situation and then present the information here (much easier said than done many times I realize!).
          Mike
          __________________________________________
          It is only when we forget all our learning that we begin to know.
          It's not what you look at that matters, it's what you see.
          Henry David Thoreau
          __________________________________________



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            #6
            Re: Converting database

            Thank you, Mike. As I mentioned, the error message I stated is what shows up everytime. It is a stand-alone system and the system has been restarted several times but the error always shows up. All other modules are fine. I am creating a new table and then importing everything form the old table. I want to see if the same error occurs.

            Comment

              #7
              Re: Converting database

              As you are working through the joy of developing an application, you need to compact the database (from the CP, File, Database Compact) in addition to packing a table. Keep in mind that 'Pack' and 'Database Compact' are similar, but are different. View the Help file for good explanations of the two processes.

              As Steve said, there is no real reason to upgrade to anything other than the current version (V10), unless of course, you already have V9 and the cost of V10 is an issue.

              Dave

              Added thought: After re-reading what you have written, it sounds like you are working on a desktop application, not a web app. If that it true, you should be on the Desktop forum rather than this forum.
              Last edited by davej; 11-16-2009, 02:00 PM. Reason: more betta' grammar.
              Dave Jampole
              www.customalpha.com

              Women and cats will do whatever they want. The sooner men and dogs realize that, the happier they will be.

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