solvesql/난이도 4: 가구 판매의 비중이 높았던 날 찾기 (#52)

sieunnnn · Feb 5, 2024 · 93676ec · 93676ec
1 parent 630c23a
commit 93676ec
Showing 1 changed file with 29 additions and 0 deletions.
diff --git a/src/solvesql/level4/PROB01.sql b/src/solvesql/level4/PROB01.sql
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+SELECT
+    order_date,
+    COUNT(
+            DISTINCT (
+        CASE
+            WHEN category = 'Furniture' THEN order_id
+            END
+        )
+        ) AS 'furniture',
+    ROUND(
+                    COUNT(
+                            DISTINCT (
+                        CASE
+                            WHEN category = 'Furniture' THEN order_id
+                            END
+                        )
+                        ) * 100.0 / COUNT(DISTINCT order_id),
+                    2
+        ) AS 'furniture_pct'
+FROM
+    records
+GROUP BY
+    order_date
+HAVING
+        COUNT(DISTINCT order_id) >= 10
+   AND furniture_pct >= 40
+ORDER BY
+    furniture_pct DESC,
+    order_date