spring-samples-for-all/spring-boot/spring-boot-data-jpa/src/main/resources/application.yml

spring:
  datasource:
    url: jdbc:mysql://127.0.0.1:3306/mysql?useUnicode=true&characterEncoding=utf-8
    username: root
    password: root
    driver-class-name: com.mysql.cj.jdbc.Driver
  jpa:
    hibernate:
      ddl-auto: update
    #Hibernate默认创建的表是myisam引擎，可以用以下方式指定为使用innodb创建表
    database-platform: org.hibernate.dialect.MySQL57Dialect
    show-sql: true