CST 363 - Module 7

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 Data warehouse

In an organization, the data created, deleted, and queried is stored in an operational database.  This operational database is used frequently and is constantly changing.  That same organization will also possess a data warehouse that contains similar data but is entirely separate from the operational database.  This data warehouse is used for business analytical purposes such as tracking trends or customer behaviors.  It is important to store this similar data in a data warehouse because the data warehouse is only designed to be read-only.  This means the data in the data warehouse accumulates over time and cannot be edited.  Because of these two features, the data warehouse stores some of the most useful information for businesses.

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