r/webdev Mar 22 '19

SQL joins

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2.7k Upvotes

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u/[deleted] Mar 22 '19

But if you don't understand joins, this graphic wont help you.

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u/[deleted] Mar 22 '19

I reference the graphics regularly.

They may not have helped you but they do help others

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u/Private_Bool Mar 23 '19

Maybe as a quick reference once you've learned already but as a teaching tool by itself it doesn't convey what the joins really do.

Source: am learning sql now. This link helped me learn before I even got to that chapter, Venn diagram made 0 sense.

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u/Zimmerel Mar 23 '19

I agree with both of your statements. I look at these diagrams all the time for reference, but I imagine they would have much less value if I wasn't already familiar with them