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Oracle 1Z0-355 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Introduction to Java Persistence API | 10% | - Overview of JPA 2.0 specification - Persistence units and configuration |
| JPA Entities and Mapping | 22% | - Defining entities, fields, and properties - Basic and composite primary keys - Mapping enums, embeddables, and collections - Entity inheritance and polymorphism |
| Querying with JPA | 20% | - Java Persistence Query Language (JPQL) - Criteria API and type-safe queries - Native SQL queries and result mapping - Query parameters, pagination, and ordering |
| Entity Relationships | 18% | - Bidirectional vs unidirectional relationships - Cascade operations and fetch strategies - One-to-one, one-to-many, many-to-one, many-to-many mappings |
| Transactions, Locking and Advanced Topics | 15% | - Bean Validation integration - Caching and performance optimization - JTA and resource-local transactions - Optimistic and pessimistic locking |
| Entity Manager and Persistence Context | 15% | - CRUD operations and state management - Using EntityManager in Java SE and Java EE - Persistence context scope and lifecycle |
