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OCA Oracle Database 11g: SQL Fundamentals I: A Real-World Certification Guide by Steve Ries

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Test your knowledge

  1. Which of the following is the name given to a value that contains a pointer to the location of a row in the database?

    a. Sublanguage

    b. ROWID

    c. Bitmap index

    d. View

  2. Which of the following is NOT a term associated with a B-tree index?

    a. Root nodes

    b. Leaf nodes

    c. Synthetic key nodes

    d. Branch nodes

  3. Which of the following is a reason to create an index?

    a. You need to create a database view and a view requires an index

    b. You need to speed the performance of certain queries

    c. You need to generate primary key values

    d. You need to create an alternate name for a database table

  4. Which of the following statements will successfully create a B-tree index?

    a. CREATE INDEX emp_idx ON employee (division_id);

    b. CREATE INDEX emp_idx ON employee;

    c. CREATE ...

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