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Home ‣ Database ‣ Managing Databases with Oracle Comments
  • Question

  • Oracle directly supports the definition of surrogate keys.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 

    • Managing Databases with Oracle problems

    Search Results

    • 1. When you type into SQL*Plus and press enter, the statement will be finished and executed.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. SQL*Plus is a text editor.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. You can use the DROP statement to remove structures from the database.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. Oracle does NOT support a CASCADE UPDATE constraint.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. Indexes are created to enforce uniqueness on columns and to enable fast retrieval by column values.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. Sequences guarantee valid surrogate key values.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. Oracle, the world's most popular DBMS, is powerful and robust, running on many different operating systems.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. You can check on the status of tables with the DESCRIBE or DESC command.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. Oracle allows the ORDER BY clause in view definitions.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. The semicolon terminates a SQL statement (and executes it).

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

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