Sponsored
Watch expert explanations and walkthroughs
NeetCode
CrioDo
Everyday Data Science
Frederik Müller
Sleepy Cracker
vanAmsen
DEwithDhairy
Code with Carter
Solve with full IDE support and test cases
![LeetCode 1581: Customer Who Visited but Did Not Make Any Transactions [SQL]](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2FK4Ks_wKX0Iw%2Fhq720.jpg%3Fsqp%3D-oaymwEXCNAFEJQDSFryq4qpAwkIARUAAIhCGAE%3D%26rs%3DAOn4CLBpyQIYP6WJNvcw-eRkO8tdRGXbKA&w=256&q=75)
