题目内容：
什么是数据独立性？数据库系统如何实现数据独立性？数据独立性可带来什么好处？参考答案：
选择题：什么是数据独立性？数据库系统如何实现数据独立性？数据独立性可带来什么好处？
- 题目分类：安阳师范学院-计算机应用技术-数据库系统原理
- 题目类型：选择题
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Is there any hope of ________ the final exam?A)Joh
Is there any hope of ________ the final exam?A)John to passB)John passC)passing
It’s certain that this reform will be ____ with a
It’s certain that this reform will be ____ with a lot of disagreement at the sta
A distant journey tests the strength of a horse an
A distant journey tests the strength of a horse and a long task proves the ____
____ the look on his face, he doesn’t quite unders
____ the look on his face, he doesn’t quite understand what the speaker is sayin
以下对适应的概念说法不正确的是( )
以下对适应的概念说法不正确的是( ) A) 适应可以是一个过程，也可以是一个状态 B) 适应是人的一种基本需要 C) 适应是有机体为满足自身需要，使