You have two data sets. One data set contains customer name and age information along with a customer ID. The second data set contains the customer ID along with address information. There are no addresses which do not belong to a customer, there are customers which have no address, and there are customers which have multiple addresses.
Which type of join will display all customers who have no recorded address?
A . Inner join
B . Outer join
C . Partial outer join
D . Anti-join
Answer: D