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  • Question
  • A data warehouse is composed of


  • Options
  • A. current data
  • B. internal and external data sources
  • C. historical data from legacy systems
  • D. historical & current data

  • Correct Answer
  • historical data from legacy systems 

    Explanation

    A data warehouse is a relational database that is designed for query and analysis rather than transaction processing. It usually contains historical data that is derived from transaction data, but it can include data from other sources. Data warehouses are designed to help you analyze your data.

  • Tags: Database Administrator, IT Trainer

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    • Options
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