Which two tasks would require subqueries or joins to be executed in a single statement?

View the Exhibit and examine the structure of the CUSTOMERS table. Which two tasks
would require subqueries or joins to be executed in a single statement? (Choose two.)

A.
listing of customers who do not have a credit limit and were born before 1980

B.
finding the number of customers, in each city, whose marital status is ‘married’

C.
finding the average credit limit of male customers residing in ‘Tokyo’ or ‘Sydney’

D.
listing of those customers whose credit limit is the same as the credit limit of customers
residing in the city’Tokyo’

E.
finding the number of customers, in each city, whose credit limit is more than the average
credit limit of allthe customers

Explanation: