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Spring Data JPA

Authored by PRAVEEN SHARMA

Information Technology (IT)

Professional Development

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Spring Data JPA
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main goal of Object-Relational Mapping (ORM)?

Encrypt data in the database

Map Java objects to database tables

Convert Java to SQL manually

Replace SQL completely

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

@Bean

@Entity

@Component

@Table

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does @Table(name="employee") specify in an entity class?

Database name

Column name

Table name

Schema name

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of @Column(name="emp_id")?

It maps an entity to a table

It maps a field to a specific column in the table

It sets primary key

It defines table constraints

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which annotation marks a field as the primary key in a JPA entity?

@Column

@GeneratedValue

@Id

@PrimaryKey

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which JPA strategy allows the database to automatically generate primary key values?

AUTO_INCREMENT

@Generated

GenerationType.IDENTITY

@AutoKey

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which method in EntityManager is used to save a new entity to the database?

store()

insert()

persist()

save()

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