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Manual
8

JPA Lifecycle Events

flush). @PostLoad - after an entity has been retrieved from the database. @PreUpdate
Manual
8

JPA Named Queries

" that retrieves all the Country objects in the database: @NamedQuery(name="Country.findAll", query
Manual
8

JPA Query API

, the same JPQL query which retrieves all the Country objects in the database is represented by both q1
Manual
8

Literals in JPQL and Criteria Queries

retrieval by type. In JPQL an entity type literal is written simply as the name of the entity class (e.g
Result
8

ObjectDB - Object Database for Java (JPA/JDO)

system (RDBMS) to store and retrieve Java objects requires slow conversions between graphs of Java
Manual
8

ObjectDB Developer's Guide

, retrieve, update and delete database objects. Explains how to use the JPA Query Language (JPQL). Presents
Manual
8

Paths and Types in JPQL and Criteria API

through a NULL value The following query retrieves country names with their capital city names: SELECT
Tutorial
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Step 2: Define a JPA Entity Class

that stores and retrieves instances of the Point entity class.
Tutorial
8

Step 2: Define a JPA Entity Class

class that stores and retrieves instances of the Point entity class.
Tutorial
8

Step 3: Add a Context Listener Class

(contextInitialized). Retrieves the EntityManagerFactory from the application scope attribute and closes