_____________of database refers to the protection of data against unauthorized disclosure，alteration，or destruction．

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问题 _____________of database refers to the protection of data against unauthorized disclosure，alteration，or destruction．

选项 A、Security
B、Access
C、Backup
D、Creation

答案A

解析本题的中文意思为：数据库安全性是指保护数据免于受到非法的揭露、更改和破坏。故选择A。

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