I wish I had know this earlier in my career:

The best gems are hidden in the simplest analyses.

You don't need an ML model to solve 𝘦𝘷𝘦𝘳𝘺 problem. Of course, Machine Learning models are powerful.

But Exploratory Data Analyses can often do the job.

They help you

→ find outliers

→ find patterns

→ find blindspots

𝘐𝘯 𝘢 𝘧𝘳𝘢𝘤𝘵𝘪𝘰𝘯 𝘰𝘧 𝘵𝘩𝘦 𝘵𝘪𝘮𝘦 𝘢𝘯 𝘔𝘓 𝘮𝘰𝘥𝘦𝘭 𝘸𝘰𝘶𝘭𝘥.

Plus, you can do all of that in SQL. You just have to know how.

So I put together this EDA in SQL cheatsheet with the most common query patterns I use!