About performance

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Tutorial
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Step 4: Add a Servlet Class

the list of guests: doGet(request, response); } } GuestServlet performs
Manual
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Database Server

. For instance, you can increase the maximum JVM heap size and improve performance by using HotSpot JVM
Manual
8

Storing JPA Entity Objects

. Storing large amount of entity objects can also be performed by multiple transactions: em
Tutorial
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Step 3: Define an EJB Session Bean

Operations on the database will be performed by an instance of a session bean (EJB) class that we will define in this step: Open the [New Session Bean] dialog box by right clicking the guest package node (in the [Projects] window), selecting New > Other... > Java EE (or Enterprise JavaBeans
Tutorial
8

Step 4: Add a Servlet Class

); } } GuestServlet performs the following operations on every http request: The EntityManagerFactory
Manual
8

JPA Entity Fields

, such as Hibernate, using property access may have some performance benefits. This is not the case
Manual
8

Chapter 1 - Quick Tour [2010-10-29]

This chapter demonstrates basic ObjectDB and JPA concepts by introducing a simple example program. After reading this chapter you should be able to write basic programs that create, open and close ObjectDB databases and perform basic CRUD operations (Create/Store, Retrieve, Update and Delete
Manual
8

Chapter 1 - Quick Tour

This chapter demonstrates basic ObjectDB and JPA concepts by introducing a simple example program. After reading this chapter you should be able to write basic programs that create, open and close ObjectDB databases and perform basic CRUD operations (Create/Store, Retrieve, Update and Delete
JPA Doc
6

javax.persistence.EntityManager

has a version attribute, the persistence provider must perform optimistic version checks ... has a version attribute, the persistence provider must perform optimistic version checks when obtaining ... and the entity contains a version attribute, the persistence provider must also perform optimistic version
JDO Doc
4

javax.jdo.spi.JDOImplHelper

-capable classes and to perform common operations needed by implementations, not by end users ... must be authorized for JDOPermission("setStateManager"). To improve performance, first the set of authorized ... class loader as the PersistenceCapable class performing the registration. Parameters: pcClass