Very useful article outlining the broad basics of optimising Magento. Includes links to more detailed information and lots of config file examples. Very useful.
Another cloud based scale solution for MySQL, aims to simplify deploying MySQL "in the cloud".
Cloud based database that tries to achieve a new type of scalable, highly available, fault tolerant persistent data storage layer in "the cloud".
Very helpful article on how to store option or config data Yii in a database. Also includes a quick overview (the useful part for me!) of how to access data stored in a config file. Nifty. :-)
Useful article on how to backup and restore MySQL databases. Includes example commands and a basic overview of the theory.