Some minutes ago I created the first PEAR package of SqlDiff, a small tool that I have been playing around with some time. The tool is meant to aid people in making sql statements based on the diff of two schemas (for instance in an upgrade scenario where the database schema is updated).
Currently the tool only supports the XML format created by MySQL’s mysqldump (with the -X option). The tool is extensible so if anyone out there wants support for some other database as well, feel free to fork the project and send me a pull request.
More information (installation and usage) can be found on the project page at github: https://github.com/christeredvartsen/sqldiff