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