> For the complete documentation index, see [llms.txt](https://ldbmcs.gitbook.io/java/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ldbmcs.gitbook.io/java/shu-ju-ku-11.md).

# 数据库

- [MySQL](https://ldbmcs.gitbook.io/java/shu-ju-ku-11/mysql.md)
- [MySQL行转列、列转行问题](https://ldbmcs.gitbook.io/java/shu-ju-ku-11/mysql/mysql-hang-zhuan-lie-lie-zhuan-hang-wen-ti.md)