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07/03/2004 15:26:28
Hilmar Zonneveld
Independent Consultant
Cochabamba, Bolivie
 
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Divers
Thread ID:
00883338
Message ID:
00883933
Vues:
11
GUIDs are supposed to be unique. Since they are based on the MAC (network serial number), they are supposed to be unique World-wide. Cases have been known of network cards with duplicate MAC addresses, however.

>I guess that I wasn't clear. I have 20 locations that will generate their own Primary Key and then sync the records to one location. This means, at least in my understanding, that I can't use AutoInc, or a counter table.
>
>I could use a 32 character GUID, but I thought that I read that on fast systems it is possible to get duplicate GUID's.
>
>Comments appreciated.
>
>DJ
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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