persist « Batch « JPA Q&A

1. JPA/Hibernate bulk(batch) insert

Here is simple example I've created after reading several topics about jpa bulk inserts, I have 2 persistent objects User, and Site. One user could have many site, so we have ...

2. Batch updates in JPA (Toplink)

Is there any way if executing batch updates (EntityManager persist() or merge()) using JPA Toplink?