The Java Persistence API (JPA) is a Java specification for accessing, persisting, and managing data between Java objects/classes and a relational database.
I thought I know how to use JOIN in JPQL but apparently not. Can anyone help me? select b.fname, …
java jpa eclipselink jpqlIn the example section of the @OneToMany JPA annotation reference: Example 1-59 @OneToMany - Customer Class With Generics @Entity public …
java hibernate jpa one-to-many mappedbyMy database contains 3 tables: User and Service entities have many-to-many relationship and are joined with the SERVICE_USER table as …
hibernate jpa mapping many-to-many jointableI am getting the following stacktrace: org.springframework.core.convert.ConverterNotFoundException: No converter found capable of converting from type [referencedata.…
spring jpa spring-data-jpa converterI am learning Java EE and I downloaded the eclipse with glassfish for the same. I saw some examples and …
java jpa jdbcI am learning JPA and have confusion in the @SequenceGenerator annotation. To my understanding, it automatically assigns a value to …
java hibernate jpa sequence sequence-generatorsThis question is somewhat related to Hibernate Annotation Placement Question. But I want to know which is better? Access via …
java hibernate orm jpa annotationsWhat is the difference between Unidirectional and Bidirectional associations? Since the table generated in the db are all the same,…
java hibernate jpa orm associationsI have a following problem with entity mapping in JPA. I have two entities, first one is Lookup and the …
java jpa jpa-2.0