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CRUD Operations with JPA

The following subsections explain how to use JPA for CRUD database operations:

CRUD Database Operations with JPA

Shows how to use Java/JPA to store, retrieve, update & delete.

ObjectDB CRUD Examples

CRUD operations are explained and demonstrated in these manual pages. We do not have specific ... Support So what would be an efficient solution to these CRUD operations in terms of EMF and Transactions? I'm finding these examples: http://www.objectdb.com/java/jpa/persistence/crud difficult as

Lazy loading does not work - crud takes long

Lazy loading does not work - crud takes long

Chapter 1 - Quick Tour

ObjectDB databases and perform basic CRUD operations (Create/Store, Retrieve, Update and Delete ... , that hold the point's x and y coordinates. The program demonstrates CRUD database operations by storing

Obtaining a JPA Database Connection

().commit(); The next section explains in more detail how to use the EntityManager and transactions for CRUD database operations.

Chapter 3 - 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: The next section explains how to use JPA for database CRUD operations: More advanced topics (e.g. locking and events) are discussed in the last section:

What are the steps of creating small web app?

a beginner? * Note: project aim is to provide User accounts authentications, CRUD operations

find() cost unreasonable time!

clients maintaining a tree, each will make CRUD operations independently, so one have to refresh

ObjectDB within a resource adapter module and Java EE Connector Architecture

with CoreEJB module) CoreEJB     (has the persistence.xml, CRUD ops and business logic ops) CoreWeb

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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