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Message Posted: Sat, 23 Jun 2001 @ 14:32:04 GMT

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Subj:   Re: Why did Data Warehouse Project Fail?
From:   Richard Sumner

Amer Baig,

That statement is too general. Many projects fail for a variety of reasons, only some of which are technical. Having been a project manager in former lives and having seen many software projects come and go, I believe that warehouse projects fail for most of the same reasons and with about the same frequency as any other kind of software project.

I think that you have to evaluate failures on a case by case basis. Project success depends upon getting a lot of things right one after the other and the odds that will occur certainly aren't in your favor. This is why planning is so important to a project.

Early on in Data Warehouse history, Teradata was already well established as a large back end database processor . The Oracle's, Sybases and DB2s played strongly in the OLTP space when suddenly data warehouse came into vogue. Teradata fit the warehouse requirements to a Tee and realized, "Hey, we have been doing warehousing for years!" The OLTP databases tried to grab market share by claiming "me too" but, most of their promises were empty marketing hype. They claimed that they could do more than their databases would support without having tested their assertions. Customers tried to do what their marketing organizations claimed could be done and failed. However, this was only part of the problem. Some of these vendors are still making these claims however, the reference base can tell it better than anyone else.

I hope that this helps,

Rick Sumner

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