http://code.google.com/intl/zh-CN/apis/sql/docs/introduction.html
Ability to host your MySQL databases in the cloud
Instances up to 10GB
Asynchronous or synchronous replication
Performance comparable to the Google App Engine datastore
Import or export databases using mysqldump
Java and Python compatibility
Command line tool
SQL prompt in the Google APIs Console
MYSQL 的准备迁移么?