wonder/NoteBook
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

🔄Update: MySQL

Browse Source
This commit is contained in:
Wonder
2025-09-25 20:14:36 +08:00
parent c4b62a4aa8
commit acf3132514
4 changed files with 115 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
MySQL/2. 记录的存储过程.md
+38
View File
@@ -0,0 +1,38 @@
# 存放文件
`InnoDB`
```text
|-- db.opt
| 默认字符集、字符校验规则
|-- t_order.frm
| 表结构
|-- t_order.ibd
| 表数据
```
- 字符集
- 表结构
- 表数据
# 表数据空间
![表空间](https://cdn.xiaolincoding.com/gh/xiaolincoder/mysql/row_format/%E8%A1%A8%E7%A9%BA%E9%97%B4%E7%BB%93%E6%9E%84.drawio.png)
- 行
- 页
- 读写单位
- 默认 16KB
- 区
- 段
# 行格式
- 变长字段长度列表
- NULL 列表
- 记录头
- 真实数据
- 隐藏字段
- row_id
- trx_id
- roll_pointer