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63 lines
1.7 KiB
63 lines
1.7 KiB
4 years ago
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# 用户表 User
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| 列名 | 数据类型 | 约束条件 | 含义 |
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| ---- | -------- | -------- | ---- |
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| id | bigint | primary key; identity | 用户编号 |
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| user_name | varchar | not null | 用户名 |
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| password | varchar | not null | 密码 |
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# 论文 Paper
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| 列名 | 数据类型 | 约束条件 | 含义 |
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| ---- | -------- | -------- | ---- |
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| Pid | int | primary key; identity | 文章编号 |
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| Ptitle | varchar | not null | 文章标题 |
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| Ptime | date | | 发表时间 |
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# 作者 Author
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| 列名 | 数据类型 | 约束条件 | 含义 |
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| ---- | -------- | -------- | ---- |
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| Aid | int | primary key; identity | 作者编号 |
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| Aname | varchar | not null | 作者姓名 |
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# 论文作者关系 PaperAuthor
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| 列名 | 数据类型 | 约束条件 | 含义 |
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| ---- | -------- | -------- | ---- |
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| PAid | int | primary key; identity | 编号 |
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| Aid | int | foreign key | 作者编号 |
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| Pid | int | foreign key | 文章编号 |
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# 标签 Tag
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| 列名 | 数据类型 | 约束条件 | 含义 |
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| ---- | -------- | -------- | ---- |
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| Tid | int | primary key; identity | 标签编号 |
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| Tname | varchar | not null | 标签描述 |
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# 论文标签 PaperTag
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| 列名 | 数据类型 | 约束条件 | 含义 |
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| ---- | -------- | -------- | ---- |
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| PTid | int | primary key; identity | 编号 |
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| Pid | int | foreign key | 文章编号 |
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| Tid | int | foreign key | 标签编号 |
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# 笔记 Note
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| 列名 | 数据类型 | 约束条件 | 含义 |
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| ---- | -------- | -------- | ---- |
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| Nid | int | primary key; identity | 编号 |
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| Pid | int | foreign key | 文章编号 |
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| Uid | int | foreign key | 用户编号 |
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| Ntype | int | | 笔记分类 |
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| Ncontent | varchar | | 笔记内容 |
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