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ETL

Printed From: One Stop Testing
Category: Software Testing @ OneStopTesting
Forum Name: Beginners @ OneStopTesting
Forum Discription: New to the Club...!!! Don't Worry, We are here for you...!!! Learn the very basics of Software Testing and other pertinent Informations.
URL: http://forum.onestoptesting.com/forum_posts.asp?TID=371
Printed Date: 19Jul2025 at 3:21am


Topic: ETL
Posted By: vidhya
Subject: ETL
Date Posted: 29Mar2007 at 1:34am
What is ETL?

Extract, transform, and load (ETL) is a process in data warehousing that involves
    * extracting data from outside sources,
    * transforming it to fit business needs, and ultimately
    * loading it into the data warehouse.

ETL is important, as it is the way data actually gets loaded into the warehouse.

You can take a look at the image below for the overview of this process:


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