Explain the term historical in the following data warehouse definition:
The data warehouse is a structured repository of integrated,subject-oriented,enterprise-wide,historical,and time-variant data.The purpose of the data warehouse is the retrieval of analytical information.A data warehouse can store detailed and/or summarized data.
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Q35: Explain the term enterprise-wide in the following
Q36: In contrast to a narrow constituency of
Q37: Explain the term time-variant in the following
Q38: Data warehouse front-end applications are often referred
Q39: Operational databases are referred to as subject-oriented.
Q41: Show a diagram that illustrates the principal
Q42: List the three major components of every
Q43: What is an independent data mart?
Q44: What is a dependent data mart?
Q45: Explain the term detailed and/or summarized data
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