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. It is essential in any JPQL query that retrieves selective objects from the database. Out of the four optional ... of this query defines an iteration over all the Country objects in the database using the c range variable. Before passing these Country objects to the SELECT clause

, documentation source, and configuration files. "Object" form shall mean any form ... to compiled object code, generated documentation, and conversions to other media types. "Work" shall mean the work of authorship, whether in Source or Object form, made available under the License

ObjectDB is an Object Oriented Database Management System (ODBMS). It provides ... processing, etc.), but it uses an object oriented model to store and manage data. You can easily store ordinary objects (and graphs of objects) in an ObjectDB database directly. There's no need

> java.lang.Object object with a primary key that is already in use by another existing entity object ... can also be thrown on an attempt to retrieve entity objects from the database. For example, when a required

="teaser"> The position of the first result the query object was set to retrieve. object was set to retrieve. Returns 0 if setFirstResult was not applied to the query object. Returns

objects from the database: Right click the tutorial package in ... "); EntityManager em = emf.createEntityManager(); // Store 1000 Point objects in ... ().commit(); // Find the number of Point objects in the database: Query q1 = em

with the project) in order to store Point objects in the database and then retrieve them from ... (); // Store 1000 Point objects in the database: em.getTransaction().begin(); for (int i = 0 ... ); } em.getTransaction().commit(); // Find the number of Point objects in

, new, deleted, or detached; and to get its associated PersistenceManager, object identity ... ">Object_int[]" title="Method of javax.jdo.spi.PersistenceCapable">jdoCopyFields (Object other, int[] fieldNumbers

Objects (JDO) API. Both share similar architecture, design and abilities. When to prefer ... >JDO might be preferred when portability to other object databases is more important than general portability to both object and relational databases. JPA is designated to be used mainly

> methods specifies that they return an Object which must be cast to the appropriate ... /newQuery_String_Object" title="Method of javax.jdo.PersistenceManager">PersistenceManager.newQuery(String,Object) to identify that the created query should obey the JDOQL syntax