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Home Database The Relational Model and Normalization Comments

  • Question
  • In a relation, the rows are sometimes called "fields."


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 


  • The Relational Model and Normalization problems


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    • 1. A candidate key is a determinant that determines all the other columns is a relation.

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. The functional dependency R ? S means that the value of S can be determined when we are given a value of R.

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. The XML family of standards is very important in database processing today.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. Structured Query Language (SQL) is an internationally recognized standard language that is understood by all commercial database management system products.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. The DBMS ranked as being the "hardest to use" in the text is Microsoft's SQL Server.

    • Options
    • A. True
    • B. False
    • Discuss
    • 6. A relation is in 5NF when multivalued dependencies are isolated in their own relation.

    • Options
    • A. True
    • B. False
    • Discuss
    • 7. Keys made up of two or more attributes are called composite keys.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. A functional dependency is a relationship between or among attributes.

    • Options
    • A. True
    • B. False
    • Discuss
    • 9. A primary key is a composite key that was selected to be the main identifier for the relation.

    • Options
    • A. True
    • B. False
    • Discuss
    • 10. A relation is a two-dimensional table.

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


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