The problem:
Write a SQL command to retrieve the name and addresses of all customers that HAVE NOT made purchases this year.

Thank you in advance.

Assume the use of the following tables:

TABLE 1 = NAME_ADDR
CUSTID C(10)
NAME C(30)
ADDRESS1 C(30)
ADDRESS2 C(30)
CITY C(30)
STATE C(2)
ZIP C(9)

TABLE 2 = PURCHASE
CUSTID C(10)
ITEMID C(10)
QUANTITY N(3)
AMOUNT N(9,2)
PURCH_DATE D(8)