SQL Interview Questions Practice 1 - Filters with Multiple Steps
Today I kick off a new series where I dive into some SQL questions you might be asked in a Data Analyst, Data Scientist, or Data Engineer interview!
Today we explore a question that may involve a couple different queries get to a desired outcome. This is based on a real question that someone asked me during an interview for a senior data analyst position.
See if you can solve this question before I walk you through the solution!
If you would like to follow along, you can pull the code from my Github: https://github.com/Data-Wizardry/SQL_...
Leave any comments below if you spot another solution (I promise you, there are other ways to solve this.)
Also, there is a redundant step in my code. Can you find it?
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