We'd like to update an old database schema for a new software release that requires changes in database schema (additional colums, column renames, table renames, datatypes, ...). Is there any comparison tool for MySQL data base that can help to adapt the old schema to the new one without the loss of any stored data where possible? (free software preferred)
The changes can be made by hand, yes. But we're looking for a more comfortable way and to catch all the changes made.