Oracle Speed Problem

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Hello Friends!!!!!!!!!!

I am Working As Oracle Developer & My Company Develop a Banking Software's... Currently we Are Facing a Problem Regarding Our Transaction Speed ....

After Fresh Oracle Database Installation Its Working Fine Up to First Four/Five Days but After That It Takes Nearly 5 to 7 Minutes to Complete any Single Transaction....

So Please Help Me How to Find Problem And Whats are The Troubleshooting Steps We Have To Follow....

Free Disk Space( Oracle DB) - 50GB
Table Space - System (Default)
Database Size - 9 GB
Server - IBM Branded Server
Node- Up To 40
OS :- Windows Server 2003/XP
Good Quality Of LAN (Used Core 6 Cables For LAN)

Posted 19-Jun-12 23:31pm

kumar_jadhav

Updated 25-Jun-12 0:41am

v3

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krumia · Accepted Answer · 2012-06-25T01:02:00

This is a very broad question.

Have you tried to index your tables properly? Have you examined the execution plans of individual queries and Isolated the problems? Are you using dynamic SQL within PL/SQL code? Have you tried to optimize your queries? There are a thousand reasons for this to happen. There is no single answer for this.

Check this out, and try to read it with patience. You'll probably find help in here: http://www.orafaq.com/tuningguide/[^]