Duplicate Training Lessons - Amazon Interview Question - SQL

Display a list of users who took the same training lessons more than once on the same day. Output their usernames, training IDs, dates and the number of times they took the same lesson.
Companies appeared in: Amazon
Difficulty: Medium
Ideas: SQL JOINS (INNER JOIN), GROUP BY, HAVING
Problem: t.ly/I71IY

[@krishnayadav-rb2ei]

This video is very helpful in identifying the number of times training sessions done by one user in same day .
Seems like making the job of employer a easier one 🙏👍