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Home ‣ Database ‣ Logical Database Design See What Others Are Saying!
  • Question

  • When mapping a regular entity into a relation which of the following is true?


  • Options
  • A. One relation is created.
  • B. Two relations are created.
  • C. Three relations are created.
  • D. Four relations are created.

  • Correct Answer
  • One relation is created. 

    • More questions

    • 1. All primary keys are required.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. Entities use identifiers while tables use keys.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. SOAP is now just a name, not an acronym.

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

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

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

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

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

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

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

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

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