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