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

  • A derived attribute is an attribute whose values can be calculated from a related relationship.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 

    • Modeling Data in the Organization problems

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    • 1. No two attributes of the same entity type should have the same name.

    • Options
    • A. True
    • B. False
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    • 2. Cardinality specifies the number of instances of one entity that can be associated with each instance of another entity.

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

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

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

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

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

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

    • Options
    • A. True
    • B. False
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    • 9. A time stamp is a time value that is associated with a data value.

    • Options
    • A. True
    • B. False
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    • 10. An attribute is a person, place, object, event in a user environment.

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    • A. True
    • B. False
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