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下述关于数据库系统的正确叙述是( )。

单选题
2021-07-17 23:12
A、数据库系统减少了数据冗余
B、数据库系统避免了一切数据冗余
C、数据库系统中数据的一致性是指数据类型一致
D、数据库系统比文件系统能管理更多的数据
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正确答案
A

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