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6

General Performance Issues Illustrated with a Specific Method

General Performance Issues Illustrated with a Specific Method
6

java.sql.Time field off by 30 minutes

:$objectdb/db/test-my-entity.tmp;drop");         EntityManager em = emf.createEntityManager
6

Unique contraint with 2 members

;drop");         EntityManager em = emf.createEntityManager();                 em.getTransaction
6

Need help to make this test work and define proper annotations for entities Lists

"); //;drop          }                 void closeDB(){             emf.close();             new File
6

List of Enum Values in an entity

=             Persistence.createEntityManagerFactory(                 "objectdb:test.tmp;drop
6

ObjectDB version 2.3 has been released

support of ";drop" database url parameter. Adjusted the Enhancer to the new Java 7 class file format
6

Query by array element

.createEntityManagerFactory(                 "objectdb:$objectdb/db/test.tmp;drop");         EntityManager em = emf
6

Possible issue with timestamps

=             Persistence.createEntityManagerFactory("objectdb:$objectdb/db/test.tmp;drop
1

Eager Fetch of Map with Entities as Keys

.createEntityManagerFactory(                 "objectdb:$objectdb/test.tmp;drop");         EntityManager em = emf
1

After using the enhancer, Lazy loaded collections are no longer loading. They are set as null

(                 "objectdb:db/test.tmp;drop");         EntityManager em = emf.createEntityManager

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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