From: rcbuetikofer@comcast.net   
      
   vincent delft wrote:   
   > Clifford Buetikofer  wrote in message   
   news:...   
   >   
   >>vincent delft wrote:   
   >>   
   >>   
   >>Vincent,   
   >>   
   >>VB-Oracle can be very stable but like previous posters mentioned, you   
   >>need a very tightly managed desktop.  We have VB-Oracle apps running   
   >>supporting 3500 users and the desktop is managed by SMS for a "standard"   
   >>client and to auto-push deployments.  If you don't have a tool, it'll be   
   >>difficult to do deployments and DLL management.   
   >>   
   >   
   > Indeed, but this application is not the first one. And the compny have   
   > tools to push software (tey use SMS).  If package management for VB +   
   > oracle applications is the only weakness point, I think that the   
   > company have the correct tools and team memeber to do that correctly.   
   >   
   > But for you 3500 users, how do you connect the VB application with the   
   > Oracle (on Unix ?) DB ? Have you several DB in Parallel ? Have you got   
   > performances problems ? (if yes how did you solve them ?)   
   >   
   >   
   >   
   >   
   >   
   >   
   >>Regarding using Citrix,  the network footprint is about 24k per user so   
   >>you need to make sure you have the bandwidth.  Also, latency values can   
   >>kill you if they're over 100ms.  A GUI-driven app with bad latency will   
   >>drive your users absolutely crazy or else they learn the accelerator   
   >>keys REAL quick.   
   >>   
   >>Cliff   
   >   
   > OK. Thanks for this very relevant remark.   
      
      
   No databases in Parallel.  It's just one large instance on a large 16   
   cpu server.  It's an OLTP application and so the SQL is tuned for those   
   operations using materialized views and hints; plus lots of indexing.   
      
   Performance problems usually result from ad-hoc queries.  Those are   
   spooled up and run in the background so as not to affect OLTP performance.   
      
   Connections are done through ODBC.   
      
   Cliff   
      
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