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开发文档.md
### 6.5.2 功能清单 - 支付记录创建 - 支付回调 - 后台发起退款 - 退款记录查询 ### 6.5.3 数据表设计 ```sql CREATE TABLE payment_record ( id BIGINT PRIMARY KEY, order_id BIGINT NOT NULL, pay_channel VARCHAR (20) NOT NULL, transaction_no ...
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02_数据库设计.md
数据库围绕"管理员 - 老师 - 学生 三端分离"和"课程 - 习题 - 试卷 - 练习/测验记录 业务主线"两条线索设计,共设计 11 张表,分为三组: 以下按依赖顺序(先父表后子表)插入模拟数据,供开发和演示使用。
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