Oracle Client Side connectivity issues from a Windows XP Machine

I am sure most of you guys may have addressed this issue of the time delay the client application takes to retrieve the data from the Oracle database. However, here's my problem.
We have installed a VB application running on Windows Xp along with an Oracle 8i client. Now when the application tries to connect to the database at times the data fetching speed is quick and at times its really slow... takes almost 15-20 minutes.. We're not sure if this is an application issue/oracle client configuration issue or a network issue..
We've wasted alot of time blaming the network/connectivity.. However, is there anything that we would need to check at the clients pc.. oracle config etc.etc.. ???
Please help..

Might want to try out a couple of things:
When it's running slow:
1. ping the server to see the response time of the server.
2. check the CPU usage on the server. There could be a resource crunch taking place due to other large and/or multiple transactions going on.
3. kill the VB connection and run the SQL from the command prompt and see how long it takes. Sometimes executing an SQL from the application may take longer, while from the command prompt, it's quicker. In this case, application tuning is required.
4. check to see the CPU and memory usage on the client PC itself. If there are multiple applications in use chewing up these resources, it can and will slow things down on the client PC itself.
Oracle client does not require configuration as such.

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Edited by: mkirtley on Sep 27, 2011 12:55 PM

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http://technet.microsoft.com/en-us/library/cc785186(v=ws.10).aspx
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http://technet.microsoft.com/en-us/library/cc787078(v=ws.10).aspx
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Dear all,
we are using oracle database 12c enterprise edition on widows server 2012 standard edition 64bits.
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on the service name type PDBORCL
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LSNRCTL for 64-bit Windows: Version 12.1.0.1.0 - Production on 23-APR-2014 23:23
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Copyright (c) 1991, 2013, Oracle. All rights reserved.
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Handler(s):
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LOCAL SERVER
The command completed successfully
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C:\Users\Administrator>LSNRCTL STATUS
LSNRCTL for 64-bit Windows: Version 12.1.0.1.0 - Production on 23-APR-2014 23:24
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Copyright (c) 1991, 2013, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=10.153.103.202)(PORT=152
1)))
STATUS of the LISTENER
Alias LISTENER
Version TNSLSNR for 64-bit Windows: Version 12.1.0.1.0 - Produ
ction
Start Date 23-APR-2014 03:44:26
Uptime 0 days 19 hr. 40 min. 16 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
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dmin\listener.ora
Listener Log File C:\app\Administrator\diag\tnslsnr\HP426-ORATEST\listen
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(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=HP426-ORATEST.hct.org)(PORT=1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcps)(HOST=HP426-ORATEST.hct.org)(PORT=5500))(
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Service "orcl.hct.org" has 1 instance(s).
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Service "orclXDB.hct.org" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service...
Service "pdborcl.hct.org" has 1 instance(s).
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The command completed successfully

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THANKS

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Regards,
Steve
null

Oracle Client Side connectivity issues from a Windows XP Machine

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