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从数据流图和数据字典出发,首先得到的是数据库的()
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从数据流图和数据字典出发,首先得到的是数据库的()
A、概念结构
B、逻辑结构
C、物理结构
D、用户视图
时间:2022-03-23 05:51
关键词:
数据库原理
计算机科学技术
大学试题
工学
答案解析
A
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