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Copying files that are in use
Message
De
07/04/2005 09:42:29
Hilmar Zonneveld
Independent Consultant
Cochabamba, Bolivie
 
 
À
07/04/2005 09:34:30
Jay Johengen
Altamahaw-Ossipee, Caroline du Nord, États-Unis
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Versions des environnements
Visual FoxPro:
VFP 8 SP1
OS:
Windows 2000 SP4
Database:
Visual FoxPro
Divers
Thread ID:
01002215
Message ID:
01002262
Vues:
16
>>For a backup, another option might be to do it at night - provided nobody is working. With Windows Task Scheduler, you can do this automatically - no need for anybody to be in the office.
>
>We do backups at night automatically. I know you are trying to help, but I'm not sure you are reading my posts fully.

Probably not.

> We have a process that needs to run after investment files come in during the night. After that process completes, only then can we run the one that copies the files.

OK, I didn't understand that was a prerequisite.

>>Yet another option is to use triggers to copy all changes to a secondary table, while it is being created - similar to an audit trail. From this audit trail - provided it is in an appropriate format - you can then reconstruct the backup. Accessing the audit trail is more reliable, since data will be added sequentially (all changes will be appended to the end).
>
>Good idea, and that's actually on our list. For the short term we're just trying to find a way to prevent the corruptions.

I don't know whether this is possible, but do you FLUSH your data after saving it?
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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