“When will RAM prices make disk drives obsolete for database developers? I first came across this question when talking with Michael “Monty” Widenius, one of the visonaries behind the MySQL database. For some applications, running entirely in RAM is not news at all. One major platform, the Palm Pilot, relies entirely on battery-powered RAM. Disks are used only occassionally for remote backups.” Read the article at DevChannel by Peter Wayner.