From 841e60a0f0e4d89fff19438e15d4202848b7ac03 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jos=C3=A9=20Antonio=20Chac=C3=B3n=20Guti=C3=A9rrez?= <138903866+joseantoniochacon@users.noreply.github.com> Date: Sun, 2 Jun 2024 11:56:24 -0600 Subject: [PATCH] Time: 2277 ms (19.86%), Space: 0B (100.00%) - LeetHub --- .../1280-students-and-examinations.sql | 2 ++ 1 file changed, 2 insertions(+) create mode 100644 1280-students-and-examinations/1280-students-and-examinations.sql diff --git a/1280-students-and-examinations/1280-students-and-examinations.sql b/1280-students-and-examinations/1280-students-and-examinations.sql new file mode 100644 index 0000000..a956ee1 --- /dev/null +++ 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; \ No newline at end of file