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