solvesql/난이도 3: 작품이 없는 작가 찾기 (#52)

sieunnnn · Jan 26, 2024 · 69cb6d8 · 69cb6d8
1 parent 1c78a9c
commit 69cb6d8
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/src/solvesql/level3/PROB07.sql b/src/solvesql/level3/PROB07.sql
@@ -0,0 +1,12 @@
+SELECT
+    A.artist_id,
+    A.name
+FROM
+    artists AS A
+        LEFT JOIN
+    artworks_artists AS AA ON A.artist_id = AA.artist_id
+WHERE
+    A.death_year IS NOT NULL
+  AND AA.artwork_id IS NULL
+GROUP BY
+    A.artist_id;