Freaks City

Core Entity Mapping Annotations @Entity Marks a class as a persistent entity. Without parameters, the table name matches the class name. Use @Entity(name="custom_table") to override the default table name. @Table Specifies the database table name for an entity: @Table(name="user_data") @Id and @GeneratedValue Defines the pri ...

Field Access Strategy When using field access in JPA, annotations are placed directly on the entity fields. The persistence provider accesses these fields directly through reflection, bypassing any getter and setter methods that may exist. The field access strategy offers two annotation styles: Style One @Id private Long employeeId; Style Two ...