\dˈe͡ɪtə wˈe͡əha͡ʊs], \dˈeɪtə wˈeəhaʊs], \d_ˈeɪ_t_ə w_ˈeə_h_aʊ_s]\
Definitions of DATA WAREHOUSE
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(Or corporate data warehouse, CDW) Any system forstoring, retrieving and managing large amounts of data. Datawarehouse software often includes sophisticated compressionand hashing techniques for fast searches, as well asadvanced filtering. A data warehouse is often a relationaldatabase containing a recent snapshot of corporate data andoptimised for searching. Planners and researchers can usethis database without worrying about slowing down day-to-dayoperations of the production database. The latter can beoptimised for transaction processing (inserts and updates).Compare data mart.
By Denis Howe
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