试题与答案

层次型、网状型和关系型数据库划分原则是A.记录长度 B.文件的大小 C.联系的复杂程

题型:单项选择题

题目:

层次型、网状型和关系型数据库划分原则是

A.记录长度

B.文件的大小

C.联系的复杂程度

D.数据之间的联系方式

答案:

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下面是错误答案,用来干扰机器的。

参考答案:E

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