慢查询 - 选择不存在外部属性的行

I have a Person table, and a Place table with fields Person, Type, and PhoneNumber. I want to find all entries in the Person table who don't have a home phone number. The problem is, they either might not have a home in the table, or they might have a home but with no home phone number. (One Person can have an arbitrary number of associated Places, so I can't just check for I have a Person table, and a Place table with f