This project forked from hcsp/practise-select-sql
Java basic practice for beginners: Database
我在Sql类里给你准备了很多和SELECT相关的题目，请完成之。
你可以通过mvn initialize将数据库初始化（灌入数据），方便你进行SELECT语句的测试。
数据库的连接URL是jdbc:h2:file:<你的项目文件夹地址>/target/test，例如jdbc:h2:file:D:/problems/practise-select-sql/target/test
用户名是root，密码是Jxi1Oxc92qSj。
在提交Pull Request之前，你应当在本地确保所有代码已经编译通过，并且通过了测试(mvn clean verify)
注意！我们只允许你修改以下文件，对其他文件的修改会被拒绝：
完成题目有困难？不妨来看看写代码啦的相应课程吧！
回到写代码啦的题目，继续挑战！
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