h2数据库

内置在springBoot中，java代码编写，可以在内存中运行，轻量，一般测试使用
导入依赖
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jdbc</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<scope>runtime</scope>
</dependency>
yaml配置

server:
  port: 80
spring:
  h2:
    console:
      #开启控制台操作
      enabled: true
      path: /h2
#初始化配置数据源
  datasource:
    url:
    hikari:
      driver-class-name:
      username:
      password: