SQL

Introduction If you’ve ever sat across from an interviewer, heart thumping, waiting for the SQL question to pop up… you’ll know the feeling. I’ve been there. And, if I’m honest, I’ve watched candidates—brilliant ones—trip up on surprisingly basic things. In this blog post I want to walk you through why most candidates fail SQL concepts […]

Common SQL Concepts Candidates Fail in Data Interviews Even well-prepared data interviewees are frustrated by SQL Concepts Candidates Fail, which are frequently surprisingly easy to understand. Ever left an interview with the thought, “Wait… did I really just get stuck on THAT?” Rest assured that you are not alone. Although most applicants are familiar with