From 13005a2c5c836b30c9937f00ec08de63cc6aa51f 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: Wed, 5 Jun 2024 15:08:19 -0600 Subject: [PATCH] Time: 571 ms (100.00%), Space: 0B (100.00%) - LeetHub --- .../2356-number-of-unique-subjects-taught-by-each-teacher.sql | 2 ++ 1 file changed, 2 insertions(+) create mode 100644 2356-number-of-unique-subjects-taught-by-each-teacher/2356-number-of-unique-subjects-taught-by-each-teacher.sql diff --git a/2356-number-of-unique-subjects-taught-by-each-teacher/2356-number-of-unique-subjects-taught-by-each-teacher.sql b/2356-number-of-unique-subjects-taught-by-each-teacher/2356-number-of-unique-subjects-taught-by-each-teacher.sql new file mode 100644 index 0000000..4c2c7fc --- /dev/null +++ b/2356-number-of-unique-subjects-taught-by-each-teacher/2356-number-of-unique-subjects-taught-by-each-teacher.sql @@ -0,0 +1,2 @@ +# Write your MySQL query statement below +SELECT teacher_id, COUNT(DISTINCT subject_id) AS cnt FROM Teacher GROUP BY teacher_id; \ No newline at end of file