Ralph Kimball is the founder of the Kimball Group and Kimball University where he has taught data warehouse design to more than 10,000 students. He is known for the best selling series of data warehouse "Toolkit" books. He started with a Ph.D. in man-machine systems from Stanford in 1973 and has spent the last 34 years designing systems for end users that are simple and fast. You can reach him at email@example.com.
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