______is a file that contains metadata-that is,data about data.A.DocumentB.Excel tableC.DatabaseD.Data dictionary
______is a file that contains metadata-that is,data about data.
A.Document
B.Excel table
C.Database
D.Data dictionary
B.Excel table
C.Database
D.Data dictionary
参考解析
解析：数据字典是一个包含元数据（即关于数据的数据）的文件。
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