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Home ‣ Database ‣ Modeling Data in the Organization Comments
  • Question

  • Cardinality specifies the number of instances of one entity that can be associated with each instance of another entity.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • Modeling Data in the Organization problems

    Search Results

    • 1. Multiple and binary relationships are the same thing.

    • Options
    • A. True
    • B. False
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    • 2. A binary relationship is a relationship between two or more entities.

    • Options
    • A. True
    • B. False
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    • 3. A relationship is an association representing the interaction between attributes.

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

    • Options
    • A. True
    • B. False
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    • 5. An enterprise data model is a relational model that shows the high-level entities for the organization and associations among those entities.

    • Options
    • A. True
    • B. False
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    • 6. No two attributes of the same entity type should have the same name.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. A derived attribute is an attribute whose values can be calculated from a related relationship.

    • Options
    • A. True
    • B. False
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    • 8. A strong entity is an entity whose existence depends on some other entity type.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. A fact is a word or phrase that has a specific meaning for the business.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. Some business rules cannot be represented in common data modeling notation.

    • Options
    • A. True
    • B. False
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