ActiveRecord-JDBC 0.9.1 supports normal AR operations and basic migrations for the following databases: MySQL PostgreSQL SQLite3 (except change_column) Oracle HSQLDB (except migrations and habtm at least.) H2 Microsoft SQL Server (except for change_column_default) DB2 (except change_column, change_column_default, rename_column, remove_column, add_index, remove_index, and rename_table) Derby (excep