在数据库的三级模式结构中，描述数据库中全体数据的全局逻辑结构和特征的是（）。_精华吧

在数据库的三级模式结构中，描述数据库中全体数据的全局逻辑结构和特征的是（）。

精华吧→答案→慕课→未分类

在数据库的三级模式结构中，描述数据库中全体数据的全局逻辑结构和特征的是（）。

A.外模式

B.内模式

C.存储模式

D.模式

正确答案：模式

Tag：数据库原理与应用模式结构时间：2022-01-04 13:37:52

相关答案

热门答案

1.（李明，数据库）仅代表李明选修了数据库课程。（）
2.Keywords are mainly for indexing, that is, for readers to retrieve the article.
3.Acknowledgments is an essential part of a research paper even if there are no people or institutions to be thanked for.
4.Generally speaking, the presentation structure does not need to follow the order of the paper structure: Introduction, Methods, Results and Discussion.
5.The detailed description of research methods is for readers to check or for other researchers to learn.
6.Underlining the key information, annotating or taking notes are some essential techniques for reading academic articles.
7.The findings in the Results part should be used to answer the research questions proposed in the introduction part.
8.The inner logic of the presentation body is to tell a research story.
9.The author without a tiny asterisk beside his name is usually the corresponding author.
10.In most cases, the presenter is the first author of the paper and the purpose of the presentation is to inform or share research findings.