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Home ‣ Database ‣ The Relational Model and Normalization Comments
  • Question

  • The functional dependency R ? S means that the value of S can be determined when we are given a value of R.


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  • A. True
  • B. False

  • Correct Answer
  • True 

    • The Relational Model and Normalization problems

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    • 1. The XML family of standards is very important in database processing today.

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

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

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    • A. True
    • B. False
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    • 4. Database applications are seldom intended for use by a single user.

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    • A. True
    • B. False
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    • 5. The relational database model was created by E.F. Codd.

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    • A. True
    • B. False
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    • 6. A candidate key is a determinant that determines all the other columns is a relation.

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    • A. True
    • B. False
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    • 7. In a relation, the rows are sometimes called "fields."

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

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

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    • A. True
    • B. False
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    • 10. A functional dependency is a relationship between or among attributes.

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    • A. True
    • B. False
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