Facebook SQL Interview Question - Issue 63

A classic SQL interview question for a data science position at Facebook with some offered solutions

Hello, data people! Today I want to share an example of a technical coding interview question for a data science position at Facebook, and offer one of the solutions for solving it. I’ll walk through the steps on how to best approach and break down the problem and find a solution. Data Science at Facebook is a cross-functional role, and candidates are t…