entityManager.find(Customer.class, customerID); How can I see the SQL query for this call? Assuming I don't have access to database server to profile/monitor the calls, is there way to …

29 The JPA AttributeConverter is way too limited to map JSON object types, especially if you want to save them as JSON binary. You don’t have to create a custom Hibernate Type to get JSON …

I am using Spring JPA to perform all database operations. However I don't know how to select specific columns from a table in Spring JPA? For example: SELECT projectId, projectName …

In the spirit of type safety associated with the CriteriaQuery JPA 2.0 also has an API to support Metamodel representation of entities. Is anyone aware of a fully functional implementation of thi...

Q3. If JPA generates numeric value on his own, then how does the JPA implementation know which value to generate next? Does it consult with the database first to see what value was …

9 Using spring-data-jpa save(), I was having same problem as @DtechNet. I mean every save() was creating new object instead of update. To solve this I had to add version field to entity and …

Dec 18, 2010 · The Java Persistence API (JPA) is a Java programming language application programming interface specification that describes the management of relational data in …

Mar 31, 2016 · I'm developing a Spring Boot application with Spring Data JPA. I'm using a custom JPQL query to group by some field and get the count. Following is my repository method. …

Oct 13, 2008 · Is it possible to set a default value for columns in JPA, and if, how is it done using annotations?

I'm using Spring Data JPA, and when I use @Query to to define a query WITHOUT Pageable, it works: public interface UrnMappingRepository extends JpaRepository<UrnMapping, …