Time: 2277 ms (19.86%), Space: 0B (100.00%) - LeetHub

joseantoniochacon · Jun 2, 2024 · 841e60a · 841e60a
1 parent 3e9885d
commit 841e60a
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/1280-students-and-examinations/1280-students-and-examinations.sql b/1280-students-and-examinations/1280-students-and-examinations.sql
@@ -0,0 +1,2 @@
+# Write your MySQL query statement below
+SELECT student_id, student_name, subject_name, (SELECT COUNT(student_id) FROM Examinations WHERE student_id = stu.student_id AND subject_name = sub.subject_name) AS attended_exams FROM Students stu JOIN Subjects sub ORDER BY student_id, subject_name;