READ Free Dumps For Oracle- 1z0-898

Question ID 4594	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?
Option A	A.    Call EntityManager.refresh on the entity.
Option B	B.    Add a cacheable (false) annotation on the entity class.
Option C	C.    Call EntityManager.find on the entity.
Option D	D.    Use a named query to retrieve the entity.
Correct Answer	A

Explanation

Question ID 4595	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?
Option A	A.    The database will be accessed once during the query execution phase, and once for each Employee entity in Department - employees.
Option B	B.    The database will be accessed once during the query execution phase ONLY.
Option C	C.    The database will be accessed once during the query execution phase, and once when the department.employees collection-valued attribute is used.
Option D	D.    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.
Correct Answer	B

Explanation

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