Spring JDBC MCQ - Multiple Choice Questions and Answers

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This MCQ guide is designed to test and reinforce your understanding of Spring JDBC configurations, its varied types, and related annotations.

Note that each question is followed by the correct answer and an explanation to help reinforce your knowledge.

1. Which module of Spring provides JDBC functionalities?

a) spring-core

b) spring-jdbc

c) spring-data

d) spring-orm

Answer:

b) spring-jdbc

Explanation:

The spring-jdbc module provides JDBC functionalities and simplifies database operations.

2. What does JdbcTemplate in Spring JDBC help with?

a) ORM Mapping

b) Managing transactions

c) Reducing boilerplate JDBC code

d) Object Relational Mapping with Hibernate

Answer:

c) Reducing boilerplate JDBC code

Explanation:

JdbcTemplate is a core class in Spring JDBC that helps reduce the repetitive code associated with JDBC operations.

3. Which exception hierarchy does Spring JDBC use for database-related errors?

a) SQLException

b) DataAccessException

c) JDBCException

d) DatabaseException

Answer:

b) DataAccessException

Explanation:

Spring JDBC uses the DataAccessException hierarchy to provide a more consistent error-handling mechanism, abstracting database-specific error codes.

4. Which of the following is NOT a responsibility of the RowMapper in Spring JDBC?

a) Establishing a database connection

b) Mapping a row of the result set to an object

c) Handling data type conversions

d) Returning objects from the mapped rows

Answer:

a) Establishing a database connection

Explanation:

RowMapper is responsible for mapping rows of the result set to objects. Establishing a database connection is not its responsibility.

5. To perform named parameter JDBC operations, which template class would you use in Spring?

a) JdbcTemplate

b) NamedParameterJdbcTemplate

c) SimpleJdbcTemplate

d) ParameterizedJdbcTemplate

Answer:

b) NamedParameterJdbcTemplate

Explanation:

The NamedParameterJdbcTemplate class provides functionalities for named parameter JDBC operations.

6. Which Spring JDBC class provides functionalities for stored procedure execution?

a) StoredProcedure

b) JdbcProcedure

c) JdbcTemplate

d) ProcedureTemplate

Answer:

a) StoredProcedure

Explanation:

The StoredProcedure class in Spring JDBC offers functionalities for stored procedure execution.

7. What is the main advantage of using the SimpleJdbcInsert and SimpleJdbcCall classes in Spring JDBC?

a) Automatic transaction management

b) Easier ORM capabilities

c) Eliminating the need to write boilerplate SQL code

d) Providing caching mechanisms

Answer:

c) Eliminating the need to write boilerplate SQL code

Explanation:

SimpleJdbcInsert and SimpleJdbcCall simplify JDBC operations by reducing boilerplate SQL code.

8. Which annotation is used to configure a DataSource in Spring?

a) @DataSource

b) @Database

c) @JdbcConfiguration

d) @Configuration

Answer:

d) @Configuration

Explanation:

The @Configuration annotation is used to indicate that the class contains Spring bean definitions, including for a DataSource.

9. In Spring JDBC, which of the following is NOT a core benefit?

a) Reduction of boilerplate code

b) Consistent error handling

c) Automatic connection pooling

d) Object-relational mapping capabilities

Answer:

d) Object-relational mapping capabilities

Explanation:

Spring JDBC focuses on simplifying database operations and does not provide ORM capabilities. For ORM, Spring offers the Spring Data JPA module.

10. What does the update() method of JdbcTemplate typically return?

a) The primary key of the updated record

b) A boolean indicating success

c) The number of rows affected

d) The updated object

Answer:

c) The number of rows affected

Explanation:

The update() method in JdbcTemplate usually returns the number of rows affected by the executed query.

11. How does Spring JDBC ensure resource management, such as closing connections?

a) Developers have to manually manage resources

b) Through the ResourceTemplate class

c) Automatically handles it behind the scenes

d) By using Java's AutoCloseable feature

Answer:

c) Automatically handles it behind the scenes

Explanation:

Spring JDBC automatically manages resources like connections, result sets, and prepared statements, ensuring they are closed properly.

12. Which method can be used to query for a single object using JdbcTemplate?

a) queryForObject()

b) queryForList()

c) query()

d) singleQuery()

Answer:

a) queryForObject()

Explanation:

The queryForObject() method of JdbcTemplate is used to query for a single object.

13. For batch operations in Spring JDBC, which class is commonly used?

a) BatchPreparedStatementSetter

b) JdbcBatcher

c) BatchOperator

d) BatchTemplate

Answer:

a) BatchPreparedStatementSetter

Explanation:

BatchPreparedStatementSetter is used for batch operations in Spring JDBC to execute multiple updates in a single batch

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Spring JDBC serves as a powerful toolkit for database interactions, reducing complexities inherent in traditional JDBC operations. This MCQ guide offers a snapshot of the fundamental concepts. As you continue your journey with Spring JDBC, remember that hands-on experience and real-world applications will further enrich your understanding. Happy coding!

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