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SQL joins are easy

halfgaar.net — Many beginning SQL programmers have difficulty understanding joins, even though there is not really anything difficult about them. This article gives a visual explanation of joins, using Venn diagrams, to aid those SQL beginners, and to rid the world of slow sub-selects.

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  • bigsmoke, on 04/06/2008, -0/+1Nice article, Dude (as always). I just think the introduction could be a bit better. One hint: "counter-intuitive" is written with a dash (I think).

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