Question 61

View the Exhibit and examine the structure of the CUSTOMERStable.

CUSTOMER_VUis a view based on CUSTOMERS_BR1 table which has the same structure as CUSTOMERStable.
CUSTOMERSneed to be updated to reflect the latest information about the customers.
What is the error in the following MERGEstatement?
  • Question 62

    Evaluate the following two queries:
    SQL> SELECT cust_last_name, cust_city
    FROM customers
    WHERE cust_credit_limit IN (1000, 2000, 3000);
    SQL> SELECT cust_last_name, cust_city
    FROM customers
    WHERE cust_credit_limit = 1000 or cust_credit_limit = 2000 or
    cust_credit_limit = 3000
    Which statement is true regarding the above two queries?
  • Question 63

    Which two statements are true about the results of using the intersect operator in compound queries?
  • Question 64

    View the Exhibit and examine the structure of the ORDER_ITEMS table.

    Examine the following SQL statement:
    SELECT order_id, product_id, unit_price
    FROM order_items
    WHERE unit_price =
    (SELECT MAX(unit_price)
    FROM order_items
    GROUP BY order_id);
    You want to display the PRODUCT_ID of the product that has the highest UNIT_PRICE per ORDER_ID. What correction should be made in the above SQL statement to achieve this?
  • Question 65

    Examine the structure proposed for the TRANSACTIONS table:

    Which two statements are true regarding the storage of data in the above table structure? (Choose two.)