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What are some of the companies with the biggest data warehouses?

By
  • Sid Adelman, Scott Howard
Published
  • October 03 2002, 1:00am EDT

Q:

What are some of the companies with the biggest data warehouses?

A:

Sid Adelman’s Answer: Talk to Teradata and IBM. They both have customers with very large data warehouses in the 10s (and more) of terabytes.

Scott Howard’s Answer: I'll point you to research performed by Winter Corp at www.wintercorp.com. However, like all similar watchdog organizations, they rely on industry cooperation. Many organizations see their very large database (VLDB) warehouse as a competitive advantage in their individual industry and are thus reluctant to discuss it much less allow groups like Winter to publish the details to the world. You also have to be careful trusting this information if using it to decide on a scalable RDBMS vendor. I'm aware of one vendor who claimed a multi- terabyte VLDB when, in fact, a small subset of the data was actually controlled by their product. The vast majority of the data was controlled by a competitor's RDBMS and only accessed by their own gateway product making it appear local. My point: carefully research the validity of all vendor claims, just as you should always research the applicability and validity of all vendor benchmarks.

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