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Query performance tuning for ETL [message #584110]

Wed, 08 May 2013 14:32

Pms_SARA07
Messages: 3
Registered: May 2013
Location: Trichy

Junior Member

Hai guys, can you please list the scenarios and solution to improve the performance of complex queries to extract data.

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Re: Query performance tuning for ETL [message #584112 is a reply to message #584110]

Wed, 08 May 2013 14:35

Michel Cadot
Messages: 67650
Registered: March 2007
Location: Nanterre, France, http://...

Senior Member
Account Moderator

With such a question you can write a book and even then you will not cover all the scenarios taking into account that solutions depend on rdbms version.

You can first read:
- OraFAQ Forum Guide, Performance Tuning section
- Performances Tuning sticky
- OraFAQ Performance Tuning
- Rosco's SQL Tuning Guide
- Tuning High-Volume SQL Wiki page

You can also have a look at Database Performance Tuning Guide.

Regards
Michel

[Updated on: Wed, 08 May 2013 14:36]

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Re: Query performance tuning for ETL [message #584117 is a reply to message #584112]

Wed, 08 May 2013 14:59

Pms_SARA07
Messages: 3
Registered: May 2013
Location: Trichy

Junior Member

Hi michel, thanx for your quick and strong reply.
Since I am new to data warehousing, I haven't come across many.
As you suggested I will read and make use of those in my project.

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