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 log or view within my …

How to generate the JPA Criteria Metamodel The hibernate-jpamodelgen tool provided by Hibernate ORM can be used to scan the project entities and generate the JPA Criteria Metamodel. All you need …

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 applications …

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 FROM projects

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 related table.

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 support, All …

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 stored last in …

We have a JPA application (using hibernate) and we need to pass a call to a legacy reporting tool that needs a JDBC database connection as a parameter. Is there a simple way to get access to the JDBC

Jan 28, 2010 · Java has the transient keyword. Why does JPA have @Transient instead of simply using the already existing java keyword?

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. @Query(value = …