Home Database Mysql Tutorial MySQl学前知识储备_MySQL

MySQl学前知识储备_MySQL

Jun 01, 2016 pm 01:28 PM
database Database management

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MySQl学前知识储备

 

一、数据库基础:

 

1、数据库(database):保存有组织的数据的容器(通常是一个文件或一组文件)。

 

2、数据库管理系统(DBMS):创建和操纵数据库的软件系统。

 

3、表(table):某种特定类型数据的结构化清单。

 

4、模式(schema):关于数据库和表的布局及特性的信息。

 

5、列(column):表中的一个字段。所有表都是由一个或多个列组成的。

 

6、数据类型(datatype):所允许的数据的类型。每个表列都有相应的数据类型,它限制(或允许)该列中存储的数据。

 

7、行(row):表中的一个记录。

 

8、主键(primary key):其值能唯一区分和标识表中每个行的一个列(或一组列)。

 

二、认识SQL:

 

SQL(发音sequel)是结构化查询语言(Structured Query Language)的缩写,是一种专门用来与数据库通信的语言。SQL是一种语言。

 

三、认识MySQL:

 

MySQL是一种DBMS,即它是一种数据库管理软件。具体来说它是一个基于客户机--服务器的数据库管理软件。

 

四、认识MySQL工具:

 

如前所述,MySQL是一个基于客户机--服务器的DBMS,因此,为了使用MySQl,你需要有一个客户机软件给MySQL提供要执行的命令。即你需要一个编写和测试MySQL脚本的工具。

 

MySQL命令行实用程序

 

MySQl安装后,即可使用此工具。登录方法如下:

 

【1】Ctrl+R运行cmd启动MS-DOC控制台;

 

【2】mysql –u用户名 [–h主机名或者IP地址] –p密码

 

 

MySQl学前知识储备_MySQL

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