March 2021
Beginner to intermediate
456 pages
12h 49m
Korean
Content preview from 러닝 SQL: 데이터 생성, 검색, 조작까지 데이터 제대로 주무르기
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371
16
장
분석 함수
mysql> SELECT f.title,
-> group_concat(a.last_name order by a.last_name
-> separator ‘, ‘) actors
-> FROM actor a
-> INNER JOIN film_actor fa
-> ON a.actor_id = fa.actor_id
-> INNER JOIN film f
-> ON fa.film_id = f.film_id
-> GROUP BY f.title
-> HAVING count(*) = 3;
+------------------------+--------------------------------+
| title | actors |
+------------------------+--------------------------------+
| ANNIE IDENTITY | GRANT, KEITEL, MCQUEEN |
| ANYTHING SAVANNAH | MONROE, SWANK, WEST |
| ARK RIDGEMONT | BAILEY, DEGENERES, GOLDBERG |
| ARSENIC INDEPENDENCE | ALLEN, KILMER, REYNOLDS |
...
| WHISPERER GIANT | BAILEY, PECK, WALKEN |
| WIND ...