SQL 면접 문제

This is an old revision of the document!

행과 행 간의 관계를 정의하기 위해 제공되는 함수

group by : 그룹별 정렬이 포함

union : 중복제거

Real name:

E-Mail:

Enter your comment. Wiki syntax is allowed:

Please fill all the letters into the box to prove you're human. V I X R N Please keep this field empty:

Subscribe to comments

Discussion