Oracle 1Z0-898 valid exam dumps : Java EE 6 Java Persistence API Developer Certified Expert Exam
- Exam Code: 1Z0-898
- Exam Name: Java EE 6 Java Persistence API Developer Certified Expert Exam
- Updated: Sep 05, 2026
- Q&As: 63 Questions and Answers
About Oracle 1Z0-898 Valid Exam Braindumps
The internet has no shortage of 1Z0-898 study material, but quality is the part nobody can vouch for. ValidDumps removes the guesswork with 63 Oracle Java EE 6 Java Persistence API Developer Certified Expert practice questions compiled through data analysis and verified by Oracle experts.
Oracle 1Z0-898 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java Platform, Enterprise Edition 6 Java Persistence API Developer Certified Expert Exam |
| Exam Number: | 1Z0-898 |
| Related Certifications: | Oracle Certified Professional, Java SE Programmer Oracle Certified Expert, Java EE 6 EJB Developer Oracle Certified Expert, Java EE 6 Web Services Developer |
| Exam Format: | Multiple Select, Multiple Choice |
| Exam Price: | USD 245 |
| Passing Score: | 61% |
| Real Exam Qty: | 58-64 |
| Available Languages: | English |
| Exam Duration: | 135-150 |
| Certificate Validity Period: | No expiration (perpetual) |
| Recommended Training: | Java EE 6: Develop Database Applications with JPA |
| Exam Registration: | Pearson VUE Registration Oracle Certification Portal |
| Sample Questions: |  |
| Exam Way: | Computer-based testing (CBT) at Pearson VUE centers; online proctored not available |
| Pre Condition: | Recommended: Oracle Certified Professional, Java SE 5/6/7 Programmer; no mandatory prerequisite |
| Official Syllabus URL: | https://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=5001&get_params=p_exam_id:1Z0-898 |
Oracle 1Z0-898 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Advanced Topics and Performance | 16% | - Integrate JPA with Java EE components - Use caching and performance tuning - Configure entity managers and persistence units - Apply validation and lifecycle callbacks |
| Transactions and Locking | 12% | - Handle concurrency and exceptions - Use resource-local and JTA transactions - Apply optimistic and pessimistic locking |
| Criteria API | 12% | - Construct predicates, joins, and projections - Build type-safe dynamic queries - Use CriteriaQuery, CriteriaBuilder, and Root |
| Java Persistence API Entities | 18% | - Apply inheritance strategies - Map basic properties and fields - Use embeddable classes and attributes - Define entities and primary keys |
| Entity Relationships and Mapping | 22% | - Configure join columns, join tables, and mappedBy - Manage cascade operations and orphan removal - Map one-to-one, one-to-many, many-to-one, many-to-many relationships - Handle lazy and eager fetching |
| Java Persistence Query Language (JPQL) | 20% | - Work with joins, subqueries, grouping, and ordering - Write SELECT, UPDATE, DELETE queries - Use path expressions, literals, parameters, and operators - Execute queries and handle results |
1Z0-898 Exam Essentials: Frequently Asked Questions
Oracle Java EE 6 Java Persistence API Developer Certified Expert is an official Oracle certification exam, listed under the code 1Z0-898. Clearing it earns the Oracle Certified Expert, Java EE 6 Java Persistence API Developer certification, a Expert-level credential. It also ties into Oracle Certified Professional, Java SE Programmer, Oracle Certified Expert, Java EE 6 EJB Developer, Oracle Certified Expert, Java EE 6 Web Services Developer, which makes it a useful anchor for a longer certification plan. For employers, the value is simple: the vendor itself has verified what you know.
You will work through 58-64 questions in 135-150 on the Oracle Java EE 6 Java Persistence API Developer Certified Expert exam. The content is only half the battle; the clock is the other half. Train both at once: set the ValidDumps test engine to full timed mode, practice skipping and returning to stubborn items, and repeat until finishing with minutes to spare feels normal rather than lucky.
Passing Oracle Java EE 6 Java Persistence API Developer Certified Expert requires 61%, and the official registration fee is USD 245. Remember that a retake bills the same USD 245 all over again, so winging it is the most expensive strategy on the table. A better approach: benchmark yourself with the ValidDumps practice tests first, and schedule the real exam only once your scores sit comfortably and consistently above the requirement.
Recommended: Oracle Certified Professional, Java SE 5/6/7 Programmer; no mandatory prerequisite
Requirements do evolve, so before you spend a registration fee, verify the current conditions on the official exam page.
Registration for Oracle Java EE 6 Java Persistence API Developer Certified Expert is handled through the vendor's official channels below.
One more detail for your planning: the exam is delivered Computer-based testing (CBT) at Pearson VUE centers; online proctored not available.
Oracle recommends the following training resources for the Oracle Java EE 6 Java Persistence API Developer Certified Expert exam.
Training tells you what to learn; practice questions teach you how the exam asks it. Pair either with the 63 items in the ValidDumps 1Z0-898 package and you cover both halves.
Yes. The free demo on this page contains a portion of the complete Oracle Java EE 6 Java Persistence API Developer Certified Expert question set, enough to judge the accuracy and the clarity of the explanations for yourself. After purchase, updates are free for 365 days, and once your product expires you can extend the update service at a 50% discount.
ValidDumps provides a 100% money-back guarantee with clearly stated conditions. Take the Oracle Java EE 6 Java Persistence API Developer Certified Expert exam within 60 days of purchase; if you fail, you may claim a full refund, as long as the exam matches your product. Exams taken within 3 days of purchase are not eligible, and neither are products that were downloaded but never used, free materials, or expired orders; the candidate name must match the payer name. File the claim with a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and it is processed within 7 days. If you would rather exchange than refund, you can receive two other exam products of equal value free of charge and keep the update service on your original purchase.
Delivery is immediate: your purchase is downloadable right away and automatically emailed to you within one minute of successful payment. If nothing arrives within 2 hours, check your spam folder and contact customer service. You may install the software on as many computers as you wish.
The official Oracle Java EE 6 Java Persistence API Developer Certified Expert syllabus comprises 6 domains. The heaviest hitters are Advanced Topics and Performance (16%), Transactions and Locking (12%), and Java Persistence API Entities (18%). The complete outline sits above on this page; walk it top to bottom and mark every line you could not teach to someone else.
Oracle Java EE 6 Java Persistence API Developer Certified Expert Sample Questions:
A developer has created an application managed entity manager. Which statement is correct?
- A. A new persistence context begins when the entity manager is invoked in the context o\ transaction.
- B. A new persistence context begins when a new JTA transaction begins.
- C. A new persistence context begins when the entity manager is created.
- D. A new persistence context begins when the entity manager is invoked in the context of a resource-local transaction.
Explanation: Only visible for ValidDumps members. You can sign-up / login (it's free).
Which of the following Criteria query snippets demonstrates the correct way to create and execute strongly typed queries? Assume that cb references an instance of the CriteriaBuilder interface and em references an EntityManager instance.
- A. CriteriaQuery <office> cq = cb.createQuery (Office.class);
. . .
TypedQuery<Office> tq = em.ceateQuery (cq);
List<office> Offices = tq.getResultList (); - B. CriteriaQuery<office> cq = em.createQuery (cq, office.class);
. . .
TypedQuery<Office> tq = em.createQuery (cq);
List <office> offices = tq.getresult (); - C. CriteriaQuery cq = cb.createQuery (Office.class)
. . .
TypedQuery<office> tq = em.createQuery (cq, office.class);
List <office> offices = tq.getresult (); - D. CriteriaQuery <office> cq = cb.createQuery (Office.class);
. . .
TypedQuery<Office> tq = em.ceateQuery (cq) ; L
1st <office> offices = tq.getResultList ();
Explanation: Only visible for ValidDumps members. You can sign-up / login (it's free).
A developer is creating an entity which is mapped to a table that has a primary key constraint defined on two character columns and would like to use mapping defaults as much as possible to simplify the code.
Which two mapping options can be chosen? (Choose two.)
- A. Use a separate class to map those two columns and use an @idclass annotation to denote I primary key field or property in the entity.
- B. Use a separate class to map those two columns. Specify that class using @Idclass annotation on the entity class. Add two fields or properties to the entity, each marked as @Id, that correspond to the fields or properties in that separate class.
- C. Use a separate @Embeddable class to map those two column and add two fields or properties the entity, each marked as @id, that correspond to the fields or properties in the embeddable class.
- D. Use a separate @Embeddable class to map those two columns and use an @EmbeddedId annotation to denote a single primary key field or property in the entity.
- E. Use an @id property that constructs a private field as a concatenation of two columns.
A developer wants to ensure that an entity's data is up-to-date with regard to the database. Which of the following statements is guaranteed to accomplish this?
- A. Use a named query to retrieve the entity.
- B. Add acacheable (false) annotation on the entity class.
- C. Call EntityManager.find on the entity.
- D. Call EntityManager.refresh on the entity.
An application has two entities, Department and Employee, and there is a one-to-many relationship between them. The application has the following query:
SELECT d
FROM Department d LEFT JOIN FETCH d. employees
WHERE d.name = : name
After receiving the results of the query, the application accesses the returned department's Employee entities stored in the Department.employees collection-valued attribute.
All caching has been turned off in the application.
Which statement is true?
- A. The database will be accessed once during the query execution phase, and once for each Employee entity in Department - employees.
- B. The database will be accessed once during the query execution phase, once when the Department. Employees collection-valued attribute is used, and once for each employee entity in the Department.employees.
- C. The database will be accessed once during the query execution phase ONLY.
- D. The database will be accessed once during the query execution phase, and once when the department.employees collection-valued attribute is used.
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