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The( )scheme in a database system is re
The( )scheme in a database system is re
考试题库
2022-08-02
129
问题
The( )scheme in a database system is responsible for the detection of failures and for the restoration of the database to a state that existed before the occurrence of the failure.A.queryB.testC.checkD.recovery
选项
A.query
B.test
C.check
D.recovery
答案
D
解析
数据库中的恢复机制负责检测故障,并将数据库恢复到故障发生前的状态。
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本试题收录于:
初级程序员题库软件水平考试初中高级分类
初级程序员
软件水平考试初中高级
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