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Problem with .mmo PLEASE READ AND HELP ME!!!
Débuté par Mario Vrdoljak, 26 juin 2003 23:11 - 3 réponses
#1
Posté le 26 juin 2003 - 23:11
Dear WinDev User,
how (or can I) can I rescue my database when the message error is:
READ ERROR ON MEMO BLOCK?!
Thank you very much,
Mario Vrdoljak
#2
Posté le 27 juin 2003 - 09:53
hello,

witch version of wd.
under wd 5.5 you have an tool like chkmmo32.exe in the windev dir.
Bye
thilo
Dear WinDev User,
how (or can I) can I rescue my database when the message error is:
READ ERROR ON MEMO BLOCK?!
Thank you very much,
Mario Vrdoljak
#3
Posté le 27 juin 2003 - 12:56
For Windev 7.5
After weeks of research.
The only answer at the moment is
don't use mmo files because in a slow
network there are to many problems with it.
Franckie

NCTS - SADBEL - EXPEDITION TRANSPORT
#4
Posté le 08 juillet 2003 - 12:44
We are working with Windev since 4.1
Memo files in general are a week item in the chain. When we were programing in Clipper the
same problem occured there. I asume that memo files which are large text files with unique
refs are a problem with other dbase programs as well.
As Francky said, slow networks wil cause damage to the mmo files. Normally you where able
to repair them with the program Wdchkmmo.exe. However some time ago i read on this forum
that this did not work anymore on 7.0 and 7.5. When i check the map from 7.5 i am indeed not
able to find the program.
However it is not only slow networks, also high network use or multiple servers will cause the
problem. I think the cause is long time-outs. I have an example company who operates
worldwide. Every day when the USA comes on line the problem occurs.
As space is not realy an issue anymore you can make up your own mmo file in FIC format.
Hope this will give you enough info
regards Gerard


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