设有学生实体Students（学号，姓名，性别，年龄，家庭住址，家庭成员，关系，联系电话），其中“家庭住址”记录了邮编、省、市、街道信息；“家庭成员，关系，联系电话”分别记录了学生亲属的姓名、与学生的关系以及联系电话。
学生实体Students中的“家庭住址”是一个（ ）属性；为使数据库模式设计更合理，对于关系模式Students（ ）。
问题1选项
A.简单
B.多值
C.派生
D.复合
问题2选项
A.可以不作任何处理，因为该关系模式达到了3NF
B.只允许记录一个亲属的姓名、与学生的关系以及联系电话的信息
C.应该将家庭成员、关系及联系电话加上学生号，设计成为一个独立的实体
D.需要对关系模式Students增加若干组家庭成员、关系及联系电话字段
正确答案及解析
正确答案
解析
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