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Multi-User DBC setup
Message
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28/11/2006 11:42:42
Mike Yearwood
Toronto, Ontario, Canada
 
 
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Versions des environnements
Visual FoxPro:
VFP 9 SP1
OS:
Windows XP SP2
Network:
Windows NT
Database:
Visual FoxPro
Divers
Thread ID:
01172353
Message ID:
01172971
Vues:
14
>Ok, lets talk about the Lock contention issue with views in a DBC.
>
>After reading this:
>http://fox.wikis.com/wc.dll?Wiki~CreatingDBCForViews
>
>People are saying that when a user access a view (e.g. Requery() ), the DBC is locked.

I thought it was just the view definition record(s). Just long enough to grab the SQL statement. Enough users and/or enough queries and you will get contention.

>
>If this is true, then this explains why our 40 user site is experiencing terrible performance on a gigiabit network!
>
>Has anyone else looked into this?
>
>If everyone had their own local DBC that contained view definitions, would this resolve the contention issue?

It does.
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