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  • Question

  • The role of the ETL process is to identify erroneous data and to fix them.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 

    • Data Warehousing problems

    Search Results

    • 1. The Windows operating system and Windows applications are event driven.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. The presentation logic component is responsible for formatting and presenting data on the user's screen or other output device, and for managing user input from a keyboard or other input device.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. With an asynchronous system, the requesting system waits for a response in real time.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. Centralized systems are more susceptible to security threats than client/server architectures.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. Writing stored procedures takes less time than using Visual Basic or PowerBuilder to create an application.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. A data mart is designed to optimize the performance for well-defined and predicable uses.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. Data in operational systems are typically fragmented and inconsistent.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. Star schema is suited to online transaction processing, and therefore is generally used in operational systems, operational data stores, or an EDW.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. Successful data warehousing requires that a formal program in total quality management (TQM) be implemented.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. Derived data are detailed, current data intended to be the single, authoritative source for all decision support applications.

    • Options
    • A. True
    • B. False
      • Discuss

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