# 数据库

- [MySQL](/java/shu-ju-ku-15/mysql.md)
- [为什么 MySQL 的自增主键不单调也不连续](/java/shu-ju-ku-15/mysql/wei-shi-mo-mysql-de-zi-zeng-zhu-jian-bu-dan-tiao-ye-bu-lian-xu.md)