1Z0-047 Real Exam Questions

View the Exhibit and examine the structure of the ORDERS table. Which task would require subqueries?

View the Exhibit and examine DEPARTMENTS and the LOCATIONS tables. Evaluate the following SOL statement: SELECT location_id, city FROM locations I WHERE NOT EXISTS (SELECT location_id FROM departments WHERE location_id <> I. location_id); This statement was written to display LOCATIONJD and CITY where there are no departments located. Which statement is true regarding the execution and output of the command?

The ORDERS table belongs to the user OE. OE has granted the SELECT privilege on the ORDERS table to the user HR. Which statement would create a synonym ORD so that HR can execute the following query successfully? SELECT * FROM ord;

View the Exhibit and examine the data in the PRODUCT_INFORMATION table. There are some products listed in the PRODUCT_INFORMATION table that have no value in the LIST_PRICE column. You issued the following SQL statement to find out the PRODUCT_NAME for these products: SELECT product_name, list_price FROM product_information WHERE list_price = NULL; The query returns no rows. What changes would you make in the statement to get the desired result?

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_jtems 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?