Persisting an entity is the operation of taking a transient entity, or one that does not yet have any persistent representation in the database, and storing its state so that it can be retrieved later. In this example, we have created an entity of type DepartmentEntity and persisted it to database. The line no. 13 […]
JPA delete entity example. Learn to delete JPA entity by id. Also learn to delete multple jpa entities using Java Persistence Query Language.
If you are working on Spring project and using JPA for data access, then you probably have persistence.xml file as well in META-INF folder. If you want to get rid of persistence.xml and configure datasource, persistence units name and entity paths in spring’s application-context.xml only then you can do it as below while configuring entityManagerFactoryBean. […]
In this example, we will learn to configure Spring MVC and Hibernate with JPA along with few other things e.g. validation and custom property editors. I have been asked quite enough times to write this tutorial in past, so here it is. Feel free to post your doubts, comments and suggestions. If you want to […]