试题与答案

在数据库技术中,网状数据模型的典型代表是()系统,这是20世纪70年代数据库语言研究

题型:填空题

题目:

在数据库技术中,网状数据模型的典型代表是()系统,这是20世纪70年代数据库语言研究会下属的数据库任务组提出的一个系统方案。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A

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