5 Tricky SQL Queries Solved - KDnuggets

SQL(Structured Query Language) is a very important tool in a data scientist's toolbox. Mastering SQL is not only essential in an interview point of view, but a good understanding of SQL by being able to solve complex queries will keep us above everyone in the race. In this article, I will talk about 5 tricky questions I found and my approaches to solve them. Note -- Each query can be written in different ways. Try to think about the approach before moving on to my solutions.