a separate data store that whose primary purpose is data analysis  a structured repository of integrated, subject-oriented, enterprise-wide, historical, time variant data.  stores detailed or summarized data.
a separate data store that whose primary purpose is data analysis  a structured repository of integrated, subject-oriented, enterprise-wide, historical, time variant data.  stores detailed or summarized data.
an enterprise-wide structured repository of subject-oriented, time-variant, historical data used for information retrieval and decision support. stores atomic and summary data.