Oracle Java EE 6 Java Persistence API Developer Certified Expert - 1Z0-898 Free Exam Questions

A. A Persistence provider is not required to support the LockModeType. PESSIMISTIC_WRITE locking type.

B. A Persistenceprovider will obtain the lock when the entity is refreshed from the database.

C. If a lock cannot be obtained, the Persistence provider must throw an exception.

D. Persistence provider can defer obtaining the lock until the next synchronization of an entity to the database.

A. The access type for only those entities defined in thisorm-xml for which access is notspecified will be defaulted to FIEL

B. The access type for all entities in the persistence unit will be changed to FIELD.

C. The access type for only those entities that have not explicitly specified @Access will be defaulted to field.

D. The access type for allentities specified in this orm.xmlwill be changed to FIELD.

A. 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.

B. Use an @id property that constructs a private field as a concatenation of two columns.

C. 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.

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 a separate class to map those two columns and use an @idclass annotation to denote I primary key field or property in the entity.

A. MANDATORY, MANDATORY, and MANDATORY

B. MANDATORY, MANDATORY, <and REQUIRES__NEW

C. REQUIRED, REQUIRES_NEW, and REQUIRES_NEW

D. REQUIRED, MANDATORY, andREQUIRES_NEW

A. CriteriaQuery cq = cb.createQuery (Office.class)
. . .
TypedQuery<office> tq = em.createQuery (cq, office.class);
List <office> offices = tq.getresult ();

B. CriteriaQuery<office> cq = em.createQuery (cq, office.class);
. . .
TypedQuery<Office> tq = em.createQuery (cq);
List <office> offices = tq.getresult ();

C. CriteriaQuery <office> cq = cb.createQuery (Office.class);
. . .
TypedQuery<Office> tq = em.ceateQuery (cq);
List<office> Offices = tq.getResultList ();

D. CriteriaQuery <office> cq = cb.createQuery (Office.class);
. . .
TypedQuery<Office> tq = em.ceateQuery (cq) ; L
1st <office> offices = tq.getResultList ();

A. The developer can model the grades as a oneToMany relationship in the Student entity.

B. The developer can model the grades as an element collection in the Student entity.

C. The mapping for the value of the map can be specified by the @Column annotation.

D. The mapping for the key of the map can be specified by the @MapKeycolumn annotation.

A. Concrete non-entity superclasses

B. Abstract classes

C. Entity classes

D. Embedded classes

E. Mapped superclasses

F. Entity listener classes