[POSTGRES] 여러개의 행 하나의 행으로 표현하기
위 사진처럼 여러개의 행을 하나의 행으로 표현하기 with school as ( select '1' as grade,'1' as class, '홍길동(1)' as name, 70 as score from dual union all select '1','1','홍길동(4)',10 from dual union all select '2','1','홍길동(5)',50 from dual union all select '2','1','홍길동(7)', 15 from dual union all select '2','2','홍길동(8)',90 from dual union all select '3','1','홍길동(2)',54 from dual union all select '3','1','홍길동(6)',60 from d..
2023. 3. 28.
