【判断题】【消耗次数：1】
在逻辑设计过程中，具有相同码的关系模式可以合并。
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【单选题】
属于数据库逻辑设计内容的是（ ）。
①
存储记录的格式设计
②
将概念设计的结果转换为特定DBMS所支持的数据模型
③
设计局部的E-R图
④
将各局部E-R图合并为全局E-R图
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