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5

Cannot sort descending, when ordering by caluculated float in a method

();                 em.getTransaction().begin();                 Invoice i1 = new Invoice();         i1 ... (); em.getTransaction().begin(); Invoice i1 = new Invoice(); i1.getItemList().add
5

multiple LEFT JOINs do not work as expected

.createEntityManager();         em.getTransaction().begin();         persistTree(em, null, 2 ... "); EntityManager em = emf.createEntityManager(); em.getTransaction().begin
5

Field not persisted in abstract class with two level of nesting

/TEST1.odb").createEntityManager();         em.getTransaction().begin();         TZ1 tz = new TZ1 ... ();         em.getTransaction().begin();         TZ2 tz = new TZ2("GMT");         MHD2 MH = new MHD2
5

Join performance in Objectdb

started.");         em.getTransaction().begin();         for (int i = 0; i < entityCount; i ... .");         em.getTransaction().begin();         for (int i = 0; i < entityCount; i
5

Memory Leaks after COMMIT operation (checked on versions 2.6.5 & 2.6.6.b01)

.COMMIT ); if ( m_EntityManager.isOpen() ) { m_EntityManager.getTransaction().begin ... .getTransaction().begin(); for ( Pa3DataKey dataKey : m_DataKeysCache ) { m
5

Unexpected exception (error 990)

.equalsIgnoreCase("no")) { em.getTransaction().begin(); Vehiculo v1 = new ... (); } else { em.getTransaction().begin(); Coche c1 = new Coche
5

Fantom

") .createEntityManager() .with { transaction.begin() persist(new Address(street:"Groovy ... .odb") .createEntityManager .with { getTransaction.begin persist(Address
5

"where in" query

");         EntityManager em = emf.createEntityManager();                 em.getTransaction().begin ... .getTransaction().begin();         for (int i = 0; i < 5; i++) {             em.persist(new Prez
1

spuriously objectdb objects have null references

Object(); public static void begin(EntityManager threadEntityManager){ synchronized(lockBegin){ try { threadEntityManager.getTransaction().begin(); } catch (Exception e
1

Merge throw exception "Attempt to reuse an existing primary key value"

.createEntityManager();         final int Id = 0;         em.getTransaction().begin();         em.persist(new MyEntity(Id));         em.getTransaction().commit();         em.getTransaction().begin();         em

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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