Prior JPA 2.1, most JPA providers (Hibernate, EclipseLink, OpenJPA) would have a proprietary way to generate the database schema (Data Definition Language scripts) from Entities. In the JPA 2.1 specification (JSR 338) there is a new section called 9.4 Schema Generation introducing an API and some properties to generate a database schema in a standard and portable way. Properties in persistence.xml In the history of JPA specification, we … Continue reading Generating Database Schemas with JPA 2.1