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A data( )is a file that contains metadata—that is，data about data.
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A data( )is a file that contains metadata—that is，data about data.
A、structure
B、table
C、base
D、dictionary
时间：2022-01-04 07:11
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答案解析
D
解析：数据字典就是包含元数据的文件，即关于数据的数据。
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