테이블 생성 코드 Create table If Not Exists Person (personId int, firstName varchar(255), lastName varchar(255)) Create table If Not Exists Address (addressId int, personId int, city varchar(255), state varchar(255)) Truncate table Person insert into Person (personId, lastName, firstName) values ('1', 'Wang', 'Allen') insert into Person (personId, lastName, firstName) values ('2', 'Alice', 'Bob') Trunc..