Question 31

Which three are true about the Oracle Optimizer? (Choose three.)
  • Question 32

    Your database instance is started with a PFILE.
    Examine these parameters:

    You want to increase the size of the buffer cache.
    Free memory is available to increase the size of the buffer cache.
    You execute the command:
    SQL> ALTER SYSTEM SET DB_CACHE_SIZE=1024M;
    What is the outcome?
  • Question 33

    Which three statements are true about advanced connection options supported by Oracle Net for connection to Oracle Database instances? (Choose three.)
  • Question 34

    Examine the description of the EMPLOYEES table:

    Which query is valid?
  • Question 35

    Examine the description of the BOOKS table:

    The table has 100 rows.
    Examine this sequence of statements issued in a new session:
    INSERT INTO books VALUES ('ADV112', 'Adventures of Tom Sawyer', NULL, NULL); SAVEPOINT a; DELETE FROM books; ROLLBACK TO SAVEPOINT a; ROLLBACK; Which two statements are true? (Choose two.)