Hibernate Framework Hibernate Configuration 2

Question 1

Which property configures the C3P0 connection pool minimum size in Hibernate?

Accepted Answer

hibernate.c3p0.min_size

Answer

The hibernate.c3p0.min_size property sets the minimum number of JDBC connections in the C3P0 pool.

Question 2

What is the role of the ServiceRegistry in modern Hibernate configuration?

Accepted Answer

It bootstraps and wires all Hibernate services together

Answer

The ServiceRegistry is responsible for creating and managing Hibernate's internal services during bootstrapping.

Question 3

Which Hibernate property enables second-level cache?

Accepted Answer

hibernate.cache.use_second_level_cache

Answer

Setting hibernate.cache.use_second_level_cache=true activates the second-level cache in Hibernate.

Question 4

What does hibernate.hbm2ddl.auto=validate do?

Accepted Answer

Validates the schema against mappings without making changes

Answer

The validate option checks that the database schema matches the Hibernate mappings and throws an error if they differ.

Question 5

Which annotation is used to mark a class as a JPA entity in Hibernate?

Accepted Answer

@Entity

Answer

The @Entity annotation marks a Java class as a JPA-managed persistent entity.

Hibernate Framework Practice Test