The Family Name of a Person is recorded in a system.The column name is Pname.Pname is an example of:一个人的姓被记录在一个系统中,列名是PNAME。Pname是 _______ 的一个例子:()?
(A)Poor table design桌子设计很差
(B)Data数据
(C)Metadata元数据
(D)Megadata大数据
(E)Normalized data标准化数据 答案解析: Pname是数据库表的字段(题目写的是column,而不是attribute),字段信息都是元数据
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