Question 21

Which three statements are true about Oracle synonyms? (Choose three.)
  • Question 22

    Table ORDER_ITEMS contains columns ORDER_ID, UNIT_PRICE and QUANTITY, of data type NUMBER.
    Examine these SQL statements:
    Statement 1:
    SELECT MAX(unit_price * quantity) "Maximum Order"
    FROM order_items;
    Statement 2:
    SELECT MAX(unit_price * quantity) "Maximum Order"
    FROM order_items
    GROUP BY order_id;
    Which two statements are true?
  • Question 23

    Which two are true about shrinking a segment online? (Choose two.)
  • Question 24

    While one of your databases was in mount state, the datafiles were renamed because they had been moved to a new file system. The database was then opened.
    Which two statements are true?
  • Question 25

    Which two statements are true about User Authentication in an Oracle Database?