精选优质文档-倾情为你奉上Exercise 3.1.1Answers for this exercise may vary because of different interpretations.Some possible FDs:Social Security number nameArea code stateStreet address, city, state zipcodePossible keys:Social Security number, street address, city, state, area code, phone numberNeed street address, city, state to uniquely determine location. A person could have multiple addresses. The same is true for phones. These days, a person could have a landli
