数据库系统中的视图、存储文件和基本表分别对应数据库系统结构中的（ ）。
- A.模式、内模式和外模式
- B.外模式、模式和内模式
- C.模式、外模式和内模式
- D.外模式、内模式和模式
正确答案及解析
正确答案
解析
本题考查的是数据库体系结构：三层模式。对于题干给出的视图、存储文件、基本表分别对应：视图-外模式，存储文件-内模式，基本表-模式。因此本题选择D选项，需要注意对应位置。
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