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Home ‣ Database ‣ Object-Oriented Data Modeling See What Others Are Saying!
  • Question

  • The term Complete for a UML has the same meaning as which of the following for an EER diagram?


  • Options
  • A. Overlapping rule
  • B. Disjoint rule
  • C. Total specialization rule
  • D. Partial specialization rule

  • Correct Answer
  • Total specialization rule 

    • More questions

    • 1. Which of the following is not considered to be a basic element of an enterprise-class database system?

    • Options
    • A. Users
    • B. Database applications
    • C. DBMS
    • D. COBOL programs
      • Discuss
    • 2. Which of the following is not true about indexes?

    • Options
    • A. Indexes are created to enforce uniqueness on columns.
    • B. Indexes are created to enable fast retrieval by column values.
    • C. Columns that are frequently used with equal conditions in WHERE clauses are good candidates for indexes.
    • D. Indexes are created with the ALTER TABLE command.
      • Discuss
    • 3. A relation is in 5NF when multivalued dependencies are isolated in their own relation.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. An OLE DB rowset is equivalent to a cursor.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. Some organizations take the stand that no application should ever employ the true name of a table.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. We have been given access to the company's operational data, and have been asked to produce a report. We discover that some of the data we need are in an SQL server database while other needed data are in a separate Oracle database. This is an example of ________ .

    • Options
    • A. dirty data
    • B. inconsistent data
    • C. non-integrated data
    • D. a "wrong format" problem
      • Discuss
    • 7. A servlet is a Java program that is invoked via HTTP on the Web server.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. There should be one condition within the WHERE clause for each pair of tables being joined.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. A ________ is a stored program that is attached to a table or a view.

    • Options
    • A. pseudofile
    • B. embedded SELECT statement
    • C. trigger
    • D. None of the above is correct.
      • Discuss
    • 10. An ID-dependent entity is an entity whose identifier is a composite identifier where no portion of the composite identifier is an identifier of another entity.

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

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