071考試是OCP認證的一個重要科目，不少考生都在這里受傷，對此我們專門收集整理了近期071考試的原題，并對071題庫進行了講解，希望幫助大家順利通過071考試。
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071考試原題分享-第54題、choose the best answer:
View the Exhibit and examine the structure of the ORDER_ITEMS and ORDERS tables.
You are asked to retrieve the ORDER_ID, PRODUCT_ID, and total price (UNIT_PRICE multiplied by QUANTITY), where the total price is greater than 50,000.
You executed the following SQL statement:
SELECT order_id, product_id, unit_price*quantity "Total Price"
FROM order_items
WHERE unit_price*quantity > 50000
NATURAL JOIN orders;
Which statement is true regarding the execution of the statement?
A) The statement would not execute because the WHERE clause is before the NATURAL JOIN clause.
B) The statement would not execute because the USING keyword is missing in the NATURAL JOIN clause.
C) The statement would execute and provide the desired result.
D) The statement would not execute because the ON keyword is missing in the NATURAL JOIN clause.
Answer：A
(解析：注意語法，where 子句應該出現在各種連接的語句后面，比如 right outer join 等等。)
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