Watch tutorials and explanations by expert teachers that walk through solving this problem.
Data Science University - MLV Prasad
java stories
hakunamatasq
Solve more problems to master this pattern
![MLV Prasad - LeetCode SQL [ MEDIUM] | 2175 | "The Change in Global Rankings" |](https://i.ytimg.com/vi/nGeDA0qJV5A/hq720.jpg?sqp=-oaymwEXCNAFEJQDSFryq4qpAwkIARUAAIhCGAE=&rs=AOn4CLCL6yh_yvYqom2AfF8QVt5BcQehsQ)
