Watch tutorials and explanations by expert teachers that walk through solving this problem.
Cloudvala
Everyday Data Science
Everyday Data Science
Everyday Data Science
Everyday Data Science
![LeetCode 1517: Find Users With Valid E-Mails [SQL]](https://i.ytimg.com/vi/DTd-L7-Agxw/hq720.jpg?sqp=-oaymwEXCNAFEJQDSFryq4qpAwkIARUAAIhCGAE=&rs=AOn4CLDad8fa36yaGUdkQc0DpbORGS1KEQ)
Frederik Müller
Data Alchemist
![MLV Prasad - LeetCode SQL [ MEDIUM] | 2228 | "Users With Two Purchases Within Seven Days" |](https://i.ytimg.com/vi/T5itOxf2hZ8/hq720.jpg?sqp=-oaymwEXCNAFEJQDSFryq4qpAwkIARUAAIhCGAE=&rs=AOn4CLBE1jbB4Trx33Em836BgBro7SOmPA)
Data Science University - MLV Prasad
