1Z0-898: Java EE 6 Java Persistence API Developer Certified Expert Exam

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1Z0-898: Java EE 6 Java Persistence API Developer Certified Expert Exam

1Z0-898: Java EE 6 Java Persistence API Developer Certified Expert Exam

Dit examen is onderdeel van de Oracle Certified Expert certificering.

Trainingen

Exameneisen

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 superclass
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

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