The Dzo software uses a text file that contains native create statements for all database objects and compares them against the actual database-schema. As a result, Dzo creates the SQL statements needed to update the database schema (or you can let Dzo execute the SQL statements directly).If your application lives in a Tomcat or JBoss container, dzo has a servlet that controls the deployment process, undeploys the old application, inspect and execute the needed database changes, and finally deploys the new application. Dzo currently works with MySQL and Oracle.Requirements: