Which two statements are true regarding subqueries? (Choose two.)

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

You want to see the product names and the date of expiration of warranty for all the products, if the product is purchased today. The products that have no warranty should be displayed at the top and the products with maximum warranty period should be displayed at the bottom.
Which SQL statement would you execute to fulfill this requirement?

Which two statements are true regarding the EXISTSoperator used in the correlated subqueries? (Choose two.)

Which statement fails to execute successfully?
A)

B)

C)

D)

Examine this SELECT statement and view the Exhibit to see its output:

SELECT constraints_name, constraints_type, search_condition, r_constraints_name, delete_rule, status, FROM user_constraints WHERE table_name = 'ORDERS';
Which two statements are true about the output? (Choose two.)