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April 11, 2010

Metadata Driven ETL

Time for a short posting off the beaten path of my focus for this blog, which is BI for project portfolio performance.

I spent a few hours last week speaking with both Oracle & Microsoft ETL PMs about one my favorite topics in the BIDW world, metadata-driven ETL.

What is metadata-driven ETL? IMO, it is ETL that can be derived partially automatically from an analysis of source & target, preconfigured transformations and historical metadata. The intent is to make ETL generation quicker, easier and more flexible. How often do you find ETL routines that break because something changed on a source?

I found a very nice description of metadata driven ETL here on this blog from Aditi. If you are interested in metdata driven ETL, I highly recommend reading it.

It is nice to see that Microsoft has set-up a council to maintain CodePlex which is where you can find a metadata driven ETL framework for SSIS that I used and participated in when I was a PM @ Microsoft called MDDE. It is on CodePlex and maintained by a former colleague of mine, David Reed. It is a pretty decent (still several shortcomings) framework for metadata driven ETL for SQL Server.

Posted by Mark Kromer at April 11, 2010 5:15 PM


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