Home > Database > Mysql Tutorial > 立此存照(3) Oracle SQL 语句的分类

立此存照(3) Oracle SQL 语句的分类

WBOY
Release: 2016-06-07 15:27:51
Original
1251 people have browsed it

1.数据操纵语言DML(Data Manipulation Language):包括对数据的检索(查询)和更新(插入,修改,删除)语句。[增删改查语句] 2.数据定义语言DDL(Data Definition Language):包括对数据库进行的创建,删除,修改语句。 3.数据控制语言DCL(Data Control Language):包括

1.数据操纵语言DML(Data Manipulation Language):包括对数据的检索(查询)和更新(插入,修改,删除)语句。[增删改查语句]

2.数据定义语言DDL(Data Definition Language):包括对数据库进行的创建,删除,修改语句。

3.数据控制语言DCL(Data Control Language):包括设置或更改用户数据库角色和权限的语句(grant,revoke,deny)。

4.事物控制语言TCL(Transaction Control Language):包括commit, rollback。

source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template