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Sys(3) Unique Test
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29/01/2003 11:19:51
 
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Divers
Thread ID:
00746521
Message ID:
00746727
Vues:
35
Nick,

If a program running on two separate systems runs a query into a cursor with the same name, this does not cause a problem at all, right? They can't see each other...

>Note that SYS(2015) is unique only on one PC, it is not good enough to use on the network as is. If your cursor names are generated only on the server that should work. If not, you need at least to add some kind of prefix (for example network user ID or machine name). And, considering the 10-character limitation, adding the prefix will decrease the uniqueness of the value generated by SYS(2015). Of course, only GUID guarantees the true uniqueness.
>
Steve Gibson
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