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Home ‣ Database ‣ Data Modeling with ER Model See What Others Are Saying!
  • Question

  • In which of the following can many entity instances of one type be related to many entity instances of another type?


  • Options
  • A. One-to-One Relationship
  • B. One-to-Many Relationship
  • C. Many-to-Many Relationship
  • D. Composite Relationship

  • Correct Answer
  • Many-to-Many Relationship 

    • More questions

    • 1. Output reports should be included as part of an ERD.

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

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

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

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

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

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

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. Queries that do full table scans should be avoided.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. The World Wide Web Consortium (W3C) is the chief standards body for HTTP and HTML.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. MySQL is pronounced "my See-quel."

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

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