Hibernate Set 1

Hibernate takes care of mapping Java classes to database tables using XML files, without writing any line of sql code. ✘ Hibernate takes care of mapping Java classes to database tables using XML files, but requires the user to write sql code. ✘ Hibernate requires an application server to operate. ✘ None of these ✔

XML ✘ Annotations ✘ Both of these ✘ None these ✔

sessionFactory.beginTransaction() ✘ session.beginTransaction() ✘ sessionFactory.startTransaction() ✘ session.startTransaction() ✔

@Entity ✘ @Id ✘ .@Table ✘ None of these ✔

✘ ✘ ✘ ✔

It generates an SQL statement based on the configuration. ✘ It generates tables based on the configuration. ✘ It generates a primary key based on capabilities of the underlying database. ✘ None of these ✔

@Entity annotation marks a class as an 'entity bean'. ✘ Class marked with an @Entity annotation must have a no-argument constructor that is visible with at least a protected scope. ✘ Both of these ✘ None of these ✔

The ORM system helps the code in accessing objects instead of DB tables. ✘ The ORM system hides the details of SQL queries from the OO logic. ✘ The ORM system helps in transaction-management and automatic key generation. ✘ All of these ✔

CacheMode controls how a session interacts with second-level cache and query cache. ✘ CacheMode specifies the type of cache used by a session. ✘ CacheMode is used to control the behavior of first level cache. ✘

A bag has an index column. ✘ A bag permits duplicate element values. ✘ A bag does not permit duplicate element values. ✘ None of these ✔