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/db/test.tmp;drop"); em = emf.createEntityManager(); em.getTransaction().begin(); Supplier sup = new

CriteriaQuery .where() for multiple conditions

.createEntityManager(); Person person; try { em.getTransaction().begin

Immediately retrieve unique id

The beginning of my "Sample" class looks like: @Entity @SequenceGenerator(name = "sampleSeqGenerator", initialValue = 1, allocationSize = 100) public class Sample implements Serializable { private static final long serialVersionUID = 1L; private String sampleName

Setting temp directory location in ObjectDB

to store the objects and reading objects from the fileName.odb. When pm.currentTransaction().begin

Strange behaviour with ORDER BY and IN

().begin();                em.getMetamodel().entity(Location.class);         //clean

Error with org.springframework.data.jpa.domain.AbstractPersistable

");         EntityManager em = emf.createEntityManager();         em.getTransaction().begin();         em.persist

How to use JOIN FETCH?

().begin();   Person p = new Person();   p.setName("Peter Smith");   Address address1 = new Address

Query results are not up to date for entities, not primitives

(); tr   .begin(); em2   .createQuery(     "UPDATE PersonData SET"      + " personCode

Unexpected Exception during commit

= emf.createEntityManager();     em.getTransaction().begin();     em.find(Account.class, 1

Error 990 when querying a class with persistence-capable-superclass

by multiple begin and commit transaction IRule rule = new Rule();   ...     dbService

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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