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

New version of MySQL (5.0) now available. Download here.

• databases
• mysql
• open source