mysqldiff -- a utility for comparing MySQL database structures Update 2011/11/6: Finally a new release! (0.43) - available here or from CPAN. What does it do? mysqldiff is a Perl script front-end to the CPAN module MySQL::Diff which compares the data structures (i.e. schema / table definitions) of two MySQL databases, and returns the differences as a sequence of MySQL commands suitable for piping