Spring Framework Spring Data & JPA 2

Question 1

What Spring Data JPA feature automatically generates a query based on a repository method's name, such as findByLastNameAndAge?

Accepted Answer

Derived query methods

Answer

JPQL query parsing

Answer

Named query resolution

Answer

Criteria API generation

Question 2

Which JPA annotation establishes a one-to-many relationship on the owning entity side?

Accepted Answer

@OneToMany

Answer

@ManyToOne

Answer

@OneToOne

Answer

@ManyToMany

Question 3

What additional capabilities does JpaRepository provide beyond those in PagingAndSortingRepository?

Accepted Answer

JPA-specific operations like flush(), saveAllAndFlush(), and deleteAllInBatch()

Answer

Support for derived query methods

Answer

Built-in caching and second-level cache support

Answer

Automatic transaction management for all methods

Question 4

What is the default FetchType for a @ManyToOne relationship in JPA?

Accepted Answer

EAGER

Answer

LAZY

Answer

NONE

Answer

AUTO

Question 5

What is the primary purpose of Spring Data JPA Specifications?

Accepted Answer

To build dynamic, composable query predicates using the JPA Criteria API

Answer

To declare entity table constraints and column definitions

Answer

To configure the data source and connection pool settings

Answer

To define transaction propagation rules for repository methods

Question 6

Which interface is passed as a method parameter to a Spring Data repository method to support pagination?

Accepted Answer

Pageable

Answer

PageInfo

Answer

Pagination

Answer

PageSlice

Question 7

What does the @Column annotation allow you to customize on a JPA entity field?

Accepted Answer

Database column properties such as name, length, nullable, and unique constraints

Answer

The Java data type and nullability of the field in the application layer

Answer

The relationship between the field and a foreign key in another table

Answer

The caching strategy and eviction policy for the field's value