由于机房断电，某个使用检查点记录的数据库出现故障，该故障属于（ ）。
- A.系统故障
- B.介质故障
- C.事务内部故障
- D.计算机病毒
正确答案及解析
正确答案
解析
系统故障（通常称为软故障）是指特定类型的硬件错误、操作系统故障、DBMS代码错误、突然停电等。
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