You have two tables of customers in your database. Customers in cust_table_1 were sent an e-mail promotion
last year, and customers in cust_table_2 received anewsletter last year. Customers can only be entered in
once per table. You want to create a table that includes all customers, and any of the communications they
received last year. Which type of join would you use for this table?
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A.
Full outer join
B.
Inner join
C.
Left outer join
D.
Cross join