Dans l'Industrie IT, le certificat IT peut vous permet d'une space plus grande de se promouvoir. Généralement, la promotion de l'entreprise repose sur ce que vous avec la certification. Le Certificat Oracle 1Z0-580 est bien autorisé. Avec le certificat Oracle 1Z0-580, vous aurez une meilleure carrière dans le future. Vous pouvez télécharger tout d'abord la partie gratuite de Q&A Oracle 1Z0-580.
Pass4Test a une équipe se composant des experts qui font la recherche particulièrement des exercices et des Q&As pour le test certification Oracle 1Z0-898, d'ailleurs ils peuvent vous proposer à propos de choisir l'outil de se former en ligne. Si vous avez envie d'acheter une Q&A de Pass4Test, Pass4Test vous offrira de matériaux plus détailés et plus nouveaux pour vous aider à approcher au maximum le test réel. Assurez-vous de choisir le Pass4Test, vous réussirez 100% le test Oracle 1Z0-898.
Dans cette société de plus en plus intense, nous vous proposons à choisir une façon de se former plus efficace : moins de temps et d'argent dépensé. Pass4Test peut vous offrir une bonne solution avec une plus grande space à développer.
Code d'Examen: 1Z0-580
Nom d'Examen: Oracle (Oracle Solaris 11 Installation and Configuration Essentials)
Questions et réponses: 75 Q&As
Code d'Examen: 1Z0-898
Nom d'Examen: Oracle (Java Platform, Enterprise Edition 6 Java Persistence API Developer Certified Expert Exam)
Questions et réponses: 63 Q&As
Les produits de Pass4Test a une bonne qualité, et la fréquence de la mise à jour est bien impressionnée. Si vous avez déjà choisi la Q&A de Pass4Test, vous n'aurez pas le problème à réussir le test Oracle 1Z0-580.
Le test Oracle 1Z0-580 est bien populaire dans l'Industrie IT. Mais ça coûte beaucoup de temps pour bien préparer le test. Le temps est certainemetn la fortune dans cette société. L'outil de formation offert par Pass4Test ne vous demande que 20 heures pour renforcer les connaissances essentales pour le test Oracle 1Z0-580. Vous aurez une meilleure préparation bien que ce soit la première fois à participer le test.
1Z0-898 Démo gratuit à télécharger: http://www.pass4test.fr/1Z0-898.html
NO.1 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 1Z0-898 examen 1Z0-898 examen 1Z0-898 examen
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
certification Oracle 1Z0-898 examen certification 1Z0-898 1Z0-898 certification 1Z0-898
NO.3 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 certification 1Z0-898
NO.4 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
certification Oracle certification 1Z0-898 1Z0-898 examen certification 1Z0-898
NO.5 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 examen 1Z0-898 examen
NO.6 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
certification Oracle certification 1Z0-898 1Z0-898 examen 1Z0-898
NO.7 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
certification Oracle certification 1Z0-898 1Z0-898 examen
NO.8 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 examen 1Z0-898 1Z0-898 certification 1Z0-898
没有评论:
发表评论