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Home ‣ Database ‣ The Database Environment See What Others Are Saying!
  • Question

  • Duplicate data often results in loss of data integrity because:


  • Options
  • A. the data formats may be inconsistent.
  • B. data values may not agree.
  • C. Both A & B.
  • D. Neither A & B.

  • Correct Answer
  • Both A & B. 

    • More questions

    • 1. SOAP is now just a name, not an acronym.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. A function returns one value and has only output parameters.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. Multiple and binary relationships are the same thing.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. Output reports should be included as part of an ERD.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. It is not easy to build a database correctly the first time.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. SOAP uses HTTP as its only transport mechanism.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. A updatable view has its own data.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. Well-structured relations encourage anomalies of data.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. Entity instances are associated by relationship classes.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. Composite identifiers consist of two or more attributes.

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

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