JDBC课后练习

课后练习1

https://www.bilibili.com/video/BV1eJ411c7rf?p=25

https://github.com/jihch/jdbc/blob/main/src/main/java/io/github/jihch/exer/Exer1Test.java

课后练习2 添加四六级成绩

https://www.bilibili.com/video/BV1eJ411c7rf?p=26

课后练习2 查看考试结果

https://www.bilibili.com/video/BV1eJ411c7rf?p=27

课后练习2 删除考试数据

https://www.bilibili.com/video/BV1eJ411c7rf/?p=28

https://github.com/jihch/jdbc/blob/main/src/main/java/io/github/jihch/exer/Exer2Test.java