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Difference between ETL and ELT

September 22nd, 2010 No comments

Today I heard an interesting answer to the question : what is the difference between ETL and ELT ?
The answer is : in ETL the transformations are processed by the ETL tools while in ELT the transformations are processed by the target datasources (RDBMS). I guess that the rising scalability of databases allows this kind of data integration to be possible.
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