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Updating EXE and Data Without Disruption
Message
From
07/12/2001 08:46:11
Hilmar Zonneveld
Independent Consultant
Cochabamba, Bolivia
 
 
To
07/12/2001 08:35:35
Jay Johengen
Altamahaw-Ossipee, North Carolina, United States
General information
Forum:
Visual FoxPro
Category:
Other
Miscellaneous
Thread ID:
00590579
Message ID:
00591086
Views:
36
>One of my needs is that this particular system is a 24/7 operation and I need to find a way to update the application/data without knocking anyone off...if possible. If data structures change while someone is using an application it seems to me that this would cause all kinds of problems. There must be a way...

I don't know any solution for a 24/7 system, using only VFP. I think you should use C/S for this kind of systems.

>Also, a coworker just mentioned that he thought that since Foxpro reads "portions" of an EXE into memory instead of the whole thing that this could cause problems with scrambling the application in memory. I had never heard that I am dubious of it's validity, but wanted to see if others had anything to add about that.

???

I don't know if this is related, but I got "invalid seek error" when running defrag and VFP at the same time.

Hilmar.
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)
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