ITCertKing's training materials can test your knowledge in preparing for the exam, and can evaluate your performance within a fixed time. The instructions given to you for your weak link, so that you can prepare for the exam better. The ITCertKing's Oracle 1Z0-898 exam training materials introduce you many themes that have different logic. So that you can learn the various technologies and subjects. We guarantee that our training materials has tested through the practice. ITCertKing have done enough to prepare for your exam. Our material is comprehensive, and the price is reasonable.
ITCertKing is a website which always provide you the latest and most accurate information about Oracle certification 1Z0-898 exam. In order to allow you to safely choose us, you can free download part of the exam practice questions and answers on ITCertKing website as a free try. ITCertKing can ensure you 100% pass Oracle certification 1Z0-898 exam.
ITCertKing ensure that the first time you take the exam will be able to pass the exam to obtain the exam certification. Because ITCertKing can provide to you the highest quality analog Oracle 1Z0-898 Exam will take you into the exam step by step. ITCertKing guarantee that Oracle 1Z0-898 exam questions and answers can help you to pass the exam successfully.
Exam Code: 1Z0-898
Exam Name: Oracle (Java Platform, Enterprise Edition 6 Java Persistence API Developer Certified Expert Exam)
One year free update, No help, Full refund!
Total Q&A: 63 Questions and Answers
Last Update: 2014-02-21
ITCertKing Oracle 1Z0-898 exam study guide can be a lighthouse in your career. Because it contains all 1Z0-898 exam information. Select ITCertKing, it can help you to pass the exam. This is absolutely a wise decision. ITCertKing is your helper, you can get double the result, only need to pay half the effort.
1Z0-898 Free Demo Download: http://www.itcertking.com/1Z0-898_exam.html
NO.1 Given the following code:
Public void create () {
try {
doA () {
} catch (PersistenceException e) {} try (doB) ();
} catch (PersistenceException e) {}
}
Calling method doA will cause an NonUniqueResultException to be thrown.Calling method doB will cause
an EntityExistsException to be thrown.
What two options describe what will happen when the create method is called within an application ' uses
container managed transactions? (Choose two)
A.Method doB will never be called.
B.The current transaction will continue after doA executes.
C.The current transaction will continue after doB executes.
D.The current transaction will be marked for rollback when doA is called.
E.The current transaction will be marked for rollback when doB is called.
Answer: C,E
Oracle 1Z0-898 1Z0-898 1Z0-898 test questions
NO.2 A developer has created an application managed entity manager.Which statement is correct?
A.A new persistence context begins when the entity manager is created.
B.A new persistence context begins when a new JTA transaction begins.
C.A new persistence context begins when the entity manager is invoked in the context o\ transaction.
D.A new persistence context begins when the entity manager is invoked in the context of a resource-local
transaction.
Answer: B
Oracle exam 1Z0-898 test questions 1Z0-898 1Z0-898 exam dumps 1Z0-898 pdf 1Z0-898
NO.3 A developer wrote an entity class with the following method:
Private static Logger logger = Logger.getLogger ( ° m yLogge¡± )
@PrePersist @PreUpdate Public void doA () { Logger.info ( ° ¡± ); } @ P o s t P ersis t @ P o s t U pd ate Pu b l ic v oi
doB () { logger.info ( ° ¡± );
What will the log message contain when an application does the following?
Begins a transaction
Creates the entity
Persists the entity
Commits the transaction
Begins the entity data
Modifies the entity data
Merges the entity
Commits the second transaction
A.A A B B
B.A B A B
C.A B B A B
D.The application will throw an exception because multiple lifecycle callback annotations applied to a
single method.
Answer: B
Oracle original questions 1Z0-898 1Z0-898 1Z0-898
NO.4 An application that uses pessimistic locking calls an updateData method that results in a
LockTimeoutException being thrown.What three statements are correct? (Choose three)
A.The current transaction continues.
B.The current statement continues.
C.The current transaction is rolled back.
D.The current statement is rolled back.
E.The LockTimeoutException can NOT be caught.
F.The LockTimeoutException can be caught, and the updateData method retried.
Answer: A,D,F
Oracle 1Z0-898 demo 1Z0-898 1Z0-898 1Z0-898 1Z0-898
NO.5 Entity lifecycle callback methods may be defined in which three classes.? (Choose three)
A.Embedded classes
B.Entity classes
C.Abstract classes
D.Entity listener classes
E.Mapped superclasses
F.Concrete non-entity superclasses
Answer: B,D,E
Oracle certification training 1Z0-898 study guide 1Z0-898 test answers 1Z0-898 answers real questions 1Z0-898 dumps
NO.6 Given:
Which statement is correct?
A.The method will return TRUE.
B.The method will return FALSE.
C.The method will throw an exception.
D.The order instance will be removed from the database.
Answer: C
Oracle exam 1Z0-898 test questions 1Z0-898 demo 1Z0-898 questions 1Z0-898 exam dumps
NO.7 A developer wants to model the grades for a student as a Map<course, integer>.Assume that Student
and Course are entitles, and that grades are modeled by integers.
Which of the following two statements are correct? (Choose two)
A.The developer can model the grades as an element collection in the Student entity.
B.The developer can model the grades as a oneToMany relationship in the Student entity.
C.The mapping for the key of the map can be specified by the @MapKeycolumn annotation.
D.The mapping for the value of the map can be specified by the @Column annotation.
Answer: A,C
Oracle 1Z0-898 1Z0-898 test answers
NO.8 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 an @id property that constructs a private field as a concatenation of two columns.
B.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.
C.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.
D.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.
E.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.
Answer: B,C
Oracle 1Z0-898 exam simulations 1Z0-898 1Z0-898 demo 1Z0-898 exam simulations 1Z0-898 certification training
NO.9 A developer has created a deep entity class hierarchy with many polymorphic relationships between
entitles.Which inheritance strategy, as defined by the inheritanceType enumerated type, will be most
performed in this scenario?
A.Single table-per-class-hierarchy (InheritanceType.SINGLE_TABLE)
B.Joined-subclass (inheritanceType.JOINED)
C.Table-per-concrete-class (inheritanceType.TABLE_PER_CLASS)
D.Polymorphic join table (inheritanceType.POLYMORPHIC_JOIN_TABLE)
Answer: C
Oracle 1Z0-898 pdf 1Z0-898 braindump 1Z0-898 1Z0-898 1Z0-898 test
NO.10 Consider a persistence application with the following orm.xml:
What will be the effect of the above orm.xml?
A.The access type for only those entities that have not explicitly specified @Access will be defaulted to
field.
B.The access type for all entities in the persistence unit will be changed to FIELD.
C.The access type for allentities specified in this orm.xmlwill be changed to FIELD.
D.The access type for only those entities defined in thisorm-xml for which access is notspecified will be
defaulted to FIELD.
Answer: D
Oracle exam simulations 1Z0-898 answers real questions 1Z0-898 exam simulations 1Z0-898 1Z0-898
ITCertKing offer the latest 00M-663 exam material and high-quality 70-461 pdf questions & answers. Our JK0-U11 VCE testing engine and 1z0-460 study guide can help you pass the real exam. High-quality HP5-T01D dumps training materials can 100% guarantee you pass the exam faster and easier. Pass the exam to obtain certification is so simple.
Article Link: http://www.itcertking.com/1Z0-898_exam.html
没有评论:
发表评论