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保护数据库,防止未经受或不合法的使用造成的数据泄露、非法更改或破坏,是指数据库的()

多选题
2021-09-03 16:25
A、安全性
B、完整性
C、并发控制
D、恢复
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正确答案
A@#@A

试题解析

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