题目内容：
事务故障恢复和系统故障恢复必须用日志文件。（）
A.正确
B.错误
参考答案：
选择题：事务故障恢复和系统故障恢复必须用日志文件。（）
- 题目分类：中国大学MOOC慕课
- 题目类型：选择题
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