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tbl.memo_check() function

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    tbl.memo_check() function

    There was some inquiry into this on the message board about two years ago, but it was never really resolved.

    I have seen and used the tbl.memo_check() function a number of times with good results and would like to put it into a production environment, but I do not know enough about it.

    The help file says the following:
    The <TBL>.MEMO_CHECK() method checks the integrity of memo fields and repairs them.
    This leaves me with the following questions:
    What errors does the function repair?
    And most importantly,
    What problems can it cause?

    I feel that this function is basically a gift horse, after all the memo problems experienced in Alpha for years, and I can't help but treat it with some skepticism.

    Any input you may have will be appreciated.
    Chris Dickey
    [email protected]

    #2
    Re: tbl.memo_check() function

    I my results with this function have been marginal.

    First let me say that with good coding techniques you should not have problems with memos. So if you are getting errors, review some of the material on learn alpha.com about Memos That Work.

    That said, I have one application where 7 copies of the same database are run on one server. One of the copies got memo coruption ocassionally, the others did not. I added a utilities screen with buttons for
    Verify Memos
    Repair Memos

    But there are cases that Repair does not fix, and even some of the fixes may be incorrect. There can be crosslinked segments and orphaned segments.

    My solution ultimately was to provide an option in my app for storing notes in a text file.

    I have also used a product called DBF Recovery from dbf2002.com. This was not specifically for memos, so I can't say how well it does that.

    Bill.

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