As the name suggests this column is the descriminator and this annotation specifies the discriminator column for the SINGLE_TABLE and JOINED Inheritance mapping discriminatorType=DiscriminatorType.STRING ).Import class Employee implements Serializable

This annotation can be applied on Class, Interface of Enums. : Specifies that the class is an entity.CascadeType.LOCK, CascadeType.SAVEUPDATE, CascadeType.REPLICATE) on a given association. Note that these annotations are present in javax.persistence package. The Cascade annotation is used to apply the Hibernate specific CascadeType strategies (e.g. Let us look at some of the important JPA annotations. JPA Annotations for mapping java object to database table For example, below hibernate maven dependency will get you JPA annotations too. JPA annotations are not part of standard JDK, so you will get it when you add any implementation framework. This allows annotations to be retained by JVM at run-time. It can also be embedded in and read from class files generated by the compiler. Java annotations can be read from source files. You can vote up the ones you like or vote down the ones you don. Java annotation is a form of metadata that can be added to Java source code. These examples are extracted from open source projects. Yes it is deprecated in 4.0+: Deprecate Its individual attributes/values should become annotations.

Hibernate annotations