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+# 实验十五🧪
+
+## 题目一
+
+### 原题
+
+利用向导为`学生管理`数据库生成一个`完全备份`
+
+### 分析
+
+- 要求：备份
+- 备份类型：完全备份
+
+### 实现
+
+1. 打开SSMS，点击备份
+
+<img src="F:\git\database-system-homework\img\实验十五\image-20241204163120483.png" alt="image-20241204163120483" style="zoom:50%;" />
+
+2. 选择完全备份
+
+   <img src="F:\git\database-system-homework\img\实验十五\image-20241204163319192.png" alt="image-20241204163319192" style="zoom:50%;" />
+
+3. 确定
+
+## 题目二
+
+### 原题
+
+将`张三`同学的名字改为：`张兵`，然后`执行恢复`，将数据库恢复到修改“张三”同学姓名之前的状态
+
+### 分析
+
+- 任务：修改条目、执行恢复
+- 修改条目：`张三`->`张兵`
+
+### 实现
+
+1. 修改`张三`的名字为`张兵`
+
+   ```sql
+   UPDATE 学生表
+   SET 姓名='张兵'
+   WHERE 姓名='张三';
+   ```
+
+2. 执行恢复
+
+   <img src="F:\git\database-system-homework\img\实验十五\image-20241204164336221.png" alt="image-20241204164336221" style="zoom:50%;" />
+
+<img src="F:\git\database-system-homework\img\实验十五\image-20241204164409979.png" alt="image-20241204164409979" style="zoom:50%;" />
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