A list consists of last names, first names, addresses and pin codes. If all people in the list have the same last name and same pin code a useful key would be
A. the pin code
B. the last name
C. the compound key first name and last name
D. Tr from next page
Answer:C
A list consists of last names, first names, addresses and pin codes. If all people in the list have the same last name and same pin code a useful key would be
A. the pin code B. the last name C. the compound key first name and last name D. Tr from next page