数据库完整性约束的建立需要使用DBMS提供的（）。_精华吧

数据库完整性约束的建立需要使用DBMS提供的（）。

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数据库完整性约束的建立需要使用DBMS提供的（）。

A.数据操纵语言DML

B.数据查询语言DQL

C.数据控制语言DCL

D.数据定义语言DDL

正确答案：数据定义语言DDL

Tag：数据库原理与应用语言数据时间：2022-01-04 13:37:49

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1.Generally speaking, the presentation structure does not need to follow the order of the paper structure: Introduction, Methods, Results and Discussion.
2.The detailed description of research methods is for readers to check or for other researchers to learn.
3.Underlining the key information, annotating or taking notes are some essential techniques for reading academic articles.
4.The findings in the Results part should be used to answer the research questions proposed in the introduction part.
5.The inner logic of the presentation body is to tell a research story.
6.The author without a tiny asterisk beside his name is usually the corresponding author.
7.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.
8.To end a paper presentation, we should get audience attention and welcome them.
9.（） should be included in your paper when you refer to, summarize, paraphrase, or quote from another source.
10.The （） section provides the detailed publication information of all the sources used throughout the paper.