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Sunday, April 14, 2013

Introduction to ETL

Introduction to ETL

 

-> What is ETL?

  - ETL stands for Extract-Transformation-Load.
  - Extracting data from transactional system, make some modifications according to the business requirement and then loading in to the data warehouse.
 
-> Examples of ETL tools.

  - Informatica, Oracle Data Integrator (ODI)....etc

Below Image will explain more clearly about what exactly will do.


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