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Oracle 311-094 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Object-Relational Mapping | 25% | - Basic mappings: @Entity, @Id, @Column, @Table - Relationship mappings: One-to-One, One-to-Many, Many-to-One, Many-to-Many - Collection and attribute mappings - Inheritance and embedded mappings |
| Topic 2: Advanced Topics | 8% | - Bean Validation integration - JPA in Java SE and Java EE environments - Callbacks and listeners |
| Topic 3: Querying with JPQL and Criteria API | 20% | - Joins, grouping, ordering, and subqueries - Named queries and native SQL queries - JPQL syntax, SELECT, UPDATE, DELETE - Criteria API: type-safe queries |
| Topic 4: Java Persistence API Basics | 15% | - Container-managed vs application-managed EM - ORM concepts and architecture - Entities, persistence units, and entity managers |
| Topic 5: Transactions, Locking and Performance | 12% | - Caching and fetch strategies - Optimistic and pessimistic locking - JTA and resource-local transactions |
| Topic 6: Entity Manager Operations | 20% | - Detached entities and state management - CRUD operations: persist, find, merge, remove, refresh - Persistence context and entity lifecycle |
