About update
UPDATE SET Queries in JPA/JPQL
Explains how to apply server side bulk update using a JPA/JPQL query.... by calling the commit method. JPQL UPDATE queries provide an alternative way for updating entity ... which are used to retrieve data from the database, UPDATE queries do not retrieve data from the database, but when executed, update the content of specified entity objects in the database. ...
Updating JPA Entity Objects
Explains how to use JPA to delete (remove) entity objects from the database.... covers the following topics: Transparent Update Automatic Change Tracking UPDATE Queries Transparent Update Once an entity ...
What is new in ObjectDB 2.0?
ObjectDB 2.0 supports many new features and improvements, including: Most of the features of the new JPA 2.0 and JDO 2.2 APIs. User defined IDs (primary key) and sequences. Support of unlimited index keys size. SQL like queries (" ...
CRUD Database Operations with JPA
Shows how to use Java/JPA to store, retrieve, update & delete.... to the object database, we can use it to store, retrieve, update and delete database objects. Storing New Entity Objects The ... getX ( ) + 100 ) ; // update entity em. getTransaction getTransaction() ...
Schema Update
Explains how to handle JPA/JDO database schema evolution in ObjectDB.... <schema> element demonstrates the supported schema update abilities: <schema > <package name = ...
Step 1: Install BIRT and ObjectDB Driver
Explains how to install the BIRT and ObjectDB Eclipse features/plugins.... the Eclipse IDE for Java EE Developers. Update your existing Eclipse IDE for Java EE Developers environment by installing the BIRT plugins using the Eclipse Update Manager (updating Eclipse IDE with no Java EE support is more ...
CRUD Operations with JPA
Explains how to use JPA for CRUD database operations (persist, retrieve, update, remove). The following subsections explain how to use JPA for CRUD database operations: Storing JPA Entity Objects Retrieving JPA Entity Objects Updating JPA Entity Objects Deleting JPA Entity Objects ...
Chapter 3 - Using JPA
Explains how to store, retrieve, update and delete entity objects using JPA. This chapter explains how to manage ObjectDB databases using the Java Persistence API (JPA). The first two pages introduce basic JPA interfaces and concepts: Database Connection using JPA Working with JPA Entity Objects ...
Explorer bug ? Objects seem to be missing from database in Class view, but are present as references
objectdb-2.2.5_08 NetbeansID6.9.1+Glassfish3.01 I suspect the following is an Explorer bug. It is marked knowingly as CRITICAL by me because it makes the ObjectDB system unusable for a real project because it appears to be either database integrity corruption, or it just looks like it, which is just as bad. I attach a running project illustrating the problem, as well as screenshots. ... To post a reply and/or subscribe to update notifications - please login . ...
Running JPA Queries
Explains how to use JPA to run Java Persistence Query Language (JPQL) queries.... Query interface defines a method for running DELETE and UPDATE queries: Query.executeUpdate executeUpdate() Query's method Execute an update or delete statement. See JavaDoc Reference Page... - for ...
