Breaking News: Grepper is joining You.com. Read the official announcement!

How can you connect Spring Boot to the database using JPA?

Add Answer

Anjali Sharma answered on January 8, 2023 Popularity 9/10 Helpfulness 1/10

answer How can you connect Spring Boot to the database using JPA?

How can you connect Spring Boot to the database using JPA?

Comment

Updating the Spring Boot Project Step By Step

Step 1 - Add dependency for your database connector to pom. xml. ...

Step 2 - Remove H2 Dependency from pom.xml. Or atleast make its scope as test. ...

Step 3 - Setup your My SQL Database. ...

Step 4 - Configure your connection to Your Database. ...

Step 5 - Restart and You are ready!

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.Bean;

@SpringBootApplication
public class AccessingDataJpaApplication {

  private static final Logger log = LoggerFactory.getLogger(AccessingDataJpaApplication.class);

  public static void main(String[] args) {
    SpringApplication.run(AccessingDataJpaApplication.class);
  }

  @Bean
  public CommandLineRunner demo(CustomerRepository repository) {
    return (args) -> {
      // save a few customers
      repository.save(new Customer("Jack", "Bauer"));
      repository.save(new Customer("Chloe", "O'Brian"));
      repository.save(new Customer("Kim", "Bauer"));
      repository.save(new Customer("David", "Palmer"));
      repository.save(new Customer("Michelle", "Dessler"));

      // fetch all customers
      log.info("Customers found with findAll():");
      log.info("-------------------------------");
      for (Customer customer : repository.findAll()) {
        log.info(customer.toString());
      }
      log.info("");

      // fetch an individual customer by ID
      Customer customer = repository.findById(1L);
      log.info("Customer found with findById(1L):");
      log.info("--------------------------------");
      log.info(customer.toString());
      log.info("");

      // fetch customers by last name
      log.info("Customer found with findByLastName('Bauer'):");
      log.info("--------------------------------------------");
      repository.findByLastName("Bauer").forEach(bauer -> {
        log.info(bauer.toString());
      });
      // for (Customer bauer : repository.findByLastName("Bauer")) {
      //  log.info(bauer.toString());
      // }
      log.info("");
    };
  }

}

https://spring.io/guides/gs/accessing-data-jpa/

Popularity 9/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: connect database javascript spring-boot using

Link to this answer
Share Copy Link

Contributed on Jan 08 2023

Anjali Sharma

0 Answers Avg Quality 2/10

How can you connect Spring Boot to the database using JPA?

Contents

More Related Answers

How can you connect Spring Boot to the database using JPA?

Grepper

Documentation

Social

Legal

Contact

Oops, You will need to install Grepper and log-in to perform this action.