From the always excellent xkcd, this comic absolutely drips hilarious nerdiness and nerdy hilariousness all over the place. "Oh yes, Little Bobby Tables, we call him."

• comics
• funny
• sql
• xkcd

For my own future reference: an explanation of SQL joins using Venn diagrams.

Update: Another crack at the Venn diagram thing.

• sql
• venndiagrams

Part 2 of an ongoing series about how databases are used in Web 2.0 apps. Both Bloglines and Memeorandum don't bother with databases, opting for flat files instead.

Update: Here's how Flickr does it. See also normalization is for sissies.

• bloglines
• databases
• memeorandum
• sql
• Web 2.0

Code snippets for working with tags and SQL.

• code
• programming
• sql
• tags