Tutor taking atleast 3 classes for a student

Tutor data is provided tutor_students table below. Table contains data of a month with tutor_id and student_id along with date of month on which tutor took class.Write a SQL query that provides the pairs (tutor_id, student_id) where the tutor has taken at least 3 classes for a student in single month.   Input Table: tutor_students … Read more