Saturday, August 29, 2009

What What does a data warehouse do?

• Integrate divergent information from various systems which Integrate divergent information from various systems enable users to quickly produce powerful ad enable users to quickly produce powerful ad-hoc queries hoc queries and perform complex analysis and perform complex analysis

• Create an infrastructure for reusing the data in numerous Create an infrastructure for reusing the data in numerous ways ways

• Create an open systems environment to make useful Create an open systems environment to make useful information easily accessible to authorized users information easily accessible to authorized users

• Help managers make informed decisions Help managers make informed decisions

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