As other reviers have mentioned, this book covers wide, but not that deep. Like many books, it gives advice so generic as to be useless, but an easy to understand overview has its importance too, so perhaps this is a good place to start.

So you will see the basic problems of combining data from different sources into one place, but not necessarily how to do it. Very little is dedicated to the issues around moving that data or ETL.

This book has many chapters, many of which may not apply to your situation.

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