OCE JPA Developer Certification

Oracle offers the various Java certifications under the following four levels,

1. Entry Level                                        
2. Foundation
3. Specialty
4. Advanced

This four levels help to choose the right Java Certification Path easily.

All the Java certifications are grouped under four different categories. They are,

• OCA Level Java Certifications
• OCP Level Java Certifications
• OCM Level Java Certifications
• OCE Level Java Certifications

OCEJPAD Certification

This certification coming under in OCE Level Certifications. OCEJPAD is one of the most important certification in J2EE, it deals about entity design, transaction management, locking fundamentals, and security. This certification is defined for developers who all are looking for develop Java EE 6 Enterprise applications using JPA. Oracle Certified JPA Developers are familiar with the JPA coding experience of entities.

OCEJPAD Certification Prerequisites

Oracle Certified Professional Java Programmer OR Sun Certified Java Programmer (any edition) is the prior exam for OCEJPAD certification exam.

Exam Details

Exam Number : 1Z0-898

Associated Certifications : Oracle Certified Expert, Java EE 6 

Java Persistence API Developer

Exam Product Version : Java EE

Exam Price : US$ 245

Duration : 135 minutes

Number of Questions : 64

Passing Score : 61%

Format : Multiple Choice

Exam Objectives

Overview of the Java Persistence API

Describe the basics of Object Relational Mapping (ORM)

Define the key concepts of the Java Persistence API (entity, entity manager, and persistence unit)

Introducing the Auction Application

Describe the auction application

Define the domain objects of the auction application

Describe the implementation model for the auction system

Java Persistence API Entities

Describe the difference between objects and entities

Describe the difference between persistent fields and properties

Identify and use common Java Persistence API annotations, such as @Entity, @Id, @Table, and @Column

Understanding the Entity Manager

Describe the relationship between an entity manager, a persistence context, and a persistence unit

Describe the difference between a container-managed entity manager and an application-managed entity manager

Describe the entity life cycle

Modeling Entity Relationships

Examine association relationships in the data and object models

Use relationship properties to define associations

Implement one-to-one unidirectional associations

Implement one-to-one bidirectional associations

Implement many-to-one/one-to-many bidirectional associations

Implement many-to-many bidirectional associations

Implement many-to-many unidirectional associations

Examine fetch and cascade mode settings

Entity Inheritance and Object-Relational Mapping

Examine entity inheritance

Examining object/relational inheritance hierarchy mapping strategies

Inherit from an entity class

Inherit using a mapped super class

Inherit from a non-entity class

Examine inheritance mapping strategies

Use an embeddable class

Persisting Enums and Collections

Persist entities that contain enums with @Enumerated

Persist entities that contain lists with @ElementCollection

Persist entities that contain maps with @ElementCollection

Introduction to Querying

Find an Entity by its primary key

Understand basic Java Persistence API query language queries

Understand native SQL queries

Understand basic Criteria API queries

Using the Java Persistence API Query Language

Examine the Java Persistence API query language

Create and use the SELECT statement

Create and use the UPDATE statement

Create and use the DELETE statement

Using the Java Persistence API Criteria API

Contrast queries that use the Criteria API with queries that use the Java Persistence query language

Describe the metamodel object approach to querying

Create Criteria API queries

Using the Java Persistence API in a Container

Use the Java Persistence API from a servlet

Use the Java Persistence API from a stateless session bean

Implementing Transactions and Locking

Describe the transaction demarcation management

Implement container-managed transactions (CMT)

Interact programmatically with an ongoing CMT transaction

Implement bean-managed transactions (BMT)

Apply transactions to the Java Persistence API

Advanced Java Persistence API Concepts

Specify composite primary keys

Override mappings with the @AttributeOverride and @AssociationOverride annotations

Understand entity listeners and callback methods

OCEJPAD Certification Training Resources

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