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ODBC and Paradox

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  • ODBC and Paradox

    I'm pretty new with ODBC, but I have to work with some attached Paradox SQL tables, I receive always actualized from a business programm, in a set.

    When creating the set, I got the error message "memory corrupt - terminate operations". What does it mean?

    After that message the set seems to work anyway at first glimpse, but the trace-windows shows a lot of messages like this (FSchrift is one of the Paradox tables):

    Attempting to read 'C:WINDOWSParadox5.INI'
    Error: overriding syntax of 'AppendUnique' setting in 'C:WINDOWSParadox5.INI' with default; doeINSERT INTO %s ( %s ) SELECT %s FROM %s LEFT JOIN %s ON %s = %s WHERE ((%s Is Null))
    SQL: SELECT * FROM Fschrift

    The problem might be, that the original table is in Paradox version 7.0, but Windows always only offers ODBC for Paradox 4.0 or 5.0 and I don't find any hint in the web, where to get an ODBC driver for Paradox 7.0.

    Doea anybody know, how this all works and what I have to do? I appreciate every idea and help.

    Hope that I could get it clear enough, because I'm German.

    Regards
    Frank Laue

  • #2
    RE: ODBC and Paradox

    Frank:

    I don't have the answer to your question. but I can raise an interesting possiblity. If I remember correctly, Paradox came with the ability to create data tablesin two different formats. Obviously the first one was Paradox tables [DB] but the program will also automatically convert Paradox data tables into DBASE tables [DBF].

    I'm only taking an educated guess at your problem, but converting those Paradox tables to Dbase tables may solve your problem.

    Robert

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    • #3
      RE: ODBC and Paradox

      Dear Robert,
      thank's for the idea, but my problem is, that the business program creates Paradox tables and I'm not working with Paradox itself.
      I have already transferred the tables into dbf, but that way I would loose the direct access and I would have to convert the tables all the time.
      Regards
      Frank Laue

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      • #4
        RE: ODBC and Paradox

        I don't think you can do ODBC operations with a set from Alpha. Or if you can, then I don't believe you can be sure it's reliable. Alpha Five's concept of a set is different from the way other databases ensure relations among tables. I believe to use ODBC reliably you have to write to individual tables. Remember, Alpha cannot directly write to the tables--it has to go through the Paradox database engine. It may be that Alpha is trying to override some of the Paradox database engine rules.
        I'm sure you are also aware that some data types supported by Paradox are not supported by Alpha Five. You obviously can't use Alpha Five to update a field with a data type, such as "currency", that Alpha Five doesn't have.

        Good luck.

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        • #5
          RE: ODBC and Paradox

          Dear Peter,
          I want to come back with a second question, you probably know an answer for. You are right, ODBC to Paradox doesn't work with sets, but it works with the individual tables.
          So this will be a quite good solution anyway.
          My actual problem is, that the table built via "Attach SQL Table" does not show the german vocals ,, in the way they are in the original paradox table, but substitute them by irrelevant signs. May be, the problem is in the ODBC driver or in the BDE from Borland, but it seems, that Alpha Five attaches the table by an own file called Paradox5.ini in the windows folder. That file is shown in the properties of the new table (with the tab "ODBC syntax") and starts with an entry like this:
          Generic ODBC/SQL 32-bit Driver INI for Alpha Five Client/Server.
          ; Copyright (c) 1995-7, Alpha Software Corp.,
          Do you know about an entry I have to make to get the special german signs in the right way (something like changing an entry for a language table to use)?
          Thank's for your help
          Frank Laue

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          • #6
            RE: ODBC and Paradox

            Hi Frank,

            Do a search on this message board using and you might find som information that will be helpful.

            kenn
            TYVM :) kenn

            Knowing what you can achieve will not become reality until you imagine and explore.

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