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  • Question

  • The relational database model was created by E.F. Codd.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    Explanation
    The relational model for database management is a database model based on first-order predicate logic, first formulated and proposed in 1969 by E.F. Codd.

    • Introduction to Database problems

    Search Results

    • 1. In an Enterprise-class database system, business users interact directly with database applications that interact with the DBMS, which directly accesses the database data.

    • Options
    • A. True
    • B. False
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    • 2. The DBMS ranked as being the "easiest to use" in the text is Oracle Corporation's Oracle.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. A database is called "self-describing" because it contains a description of itself.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. Microsoft Access is an enterprise-class database product.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. The purpose of a database is to help people stop using spreadsheets.

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

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

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. 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
    • 9. The XML family of standards is very important in database processing today.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. 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

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