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Explaining SQL JOINS - Improving on the Classic Venn Diagrams

Back when I was learning SQL, I was often hung up on the JOIN concept. The venn diagrams were a life saver but as I learned more and used SQL more and more I found that they were not quite enough.

I worked with some of my colleagues at the Data School to try to go a little bit further.

We were trying to keep it VERY basic so some join types and antijoins are not included.

I would love to know what you all think.

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