Oracle Database SQL 12c 1z0-071 Exam Practice Test 1

Question : 47 of 50

Marks: +1, -0

View the Exhibit and examine the structure of the ORDER_ITEMS table

 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_I

What correction should be made in the above SQL statement to achieve this?
Remove the GROUP BY clause from the subquery and place it in the main query
Replace = with the >ANY operator
Replace = with the >ALL operator D. Replace = with the IN operator

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