Enterprise data warehouses replace data marts

Wednesday Apr 23rd 2008 by DatabaseJournal.com Staff
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Businesses are replacing departmental databases - known as data marts - with enterprise data warehouses designed to pool information across the company.

[From ComputerWeekly]

"Data marts are very expensive," said Gartner analyst Donald Feinberg. "If you have six departments each with its own data mart, you end up with six hardware systems and six database licences. You also need people who can maintain each data mart."

Businesses often find they end up with the same information replicated in each data mart, he said. They no longer have a single master copy of the data and have to spend more on storage.

The article continues at http://www.computerweekly.com/Articles/2008/04/23/230415/enterprise-data-warehouses-replace-data-marts.htm

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