38 lines
538 B
Markdown
38 lines
538 B
Markdown
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# 存放文件
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`InnoDB`
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```text
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|-- db.opt
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| 默认字符集、字符校验规则
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|-- t_order.frm
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| 表结构
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|-- t_order.ibd
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| 表数据
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```
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- 字符集
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- 表结构
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- 表数据
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# 表数据空间
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- 行
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- 页
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- 读写单位
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- 默认 16KB
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- 区
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- 段
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# 行格式
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- 变长字段长度列表
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- NULL 列表
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- 记录头
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- 真实数据
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- 隐藏字段
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- row_id
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- trx_id
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- roll_pointer
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