问题
单项选择题
In database technology, Object—Oriented Model belongs to ( )。
A) conceptual data model B) structure data model
C) physical data model D) visual data model
答案
参考答案：B
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In database technology, Object—Oriented Model belongs to ( )。
A) conceptual data model B) structure data model
C) physical data model D) visual data model
参考答案：B