https://leetcode.com/problems/combine-two-tables/ 해석: Write an SQL query to report the first name, last name, city, and state of each person in the Person table. If the address of a personId is not present in the Address table, report null instead. cs firstName , lastName, city, state를 출력하라, 그러나 Address table에 personId가 없으면, null을 리턴하라는 내용입니다. Person table과 Address table이 나오며 Null이 나오니, 두 테이블을 합..
