Coding Horror: A Visual Explanation of SQL Joins

codinghorror.com/blog/2007/10/a-visual-explanation-of-sql-joins.html view page cached page
I thought Ligaya Turmelle's post on SQL joins was a great primer for novice developers. Since SQL joins appear to be set-based, the use of Venn diagrams to explain them seems, at first blush, to be a natural fit. However, like the commenters to her post, I found that the Venn diagrams didn't quite match the SQL join syntax reality in my testing.



Interesting posts about this link


All posts about this link

  • share this page on Twitter
  • rss feed for codinghorror.com
  • alerts create email alert for codinghorror.com
Copy and paste this code below into your website:
customize »