【判断题】
目前DBMS支持的数据模型有层次模型、网状模型和关系模型，其中应用最广泛的是层次模型
A. 对
B. 错
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答案
B
解析
暂无解析
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【判断题】
Visual FoxPro 是一个关系型数据库管理系统，是一个大型数据库开发平台，是在dBASE的基础上逐步发展起来的，它有很强的数据管理功能和灵活的程序设计功能
A. 对
B. 错
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