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# 用户表 sys_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id |
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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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# 论文文件表 sys_file
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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 | 文件id |
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| file_path | varchar | not null | 文件路径 |
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# 论文 sys_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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| id | int | primary key; identity | 论文id |
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| title | varchar | not null | 论文标题 |
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| type | varchar | not null | 论文类型 |
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| author | varchar | not null | 论文作者 |
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| profession | varchar | not null | 学科专业 |
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| school | varchar | not null | 学校 |
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| year | int | not null | 学位年度 |
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| summary | varchar | not null | 摘要 |
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| tag | varchar | not null | 论文标签 |
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| file_id | bigint | not null | 正文文件id |
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| user_name | varchar | not null | 上传用户 |
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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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