MySQL的安装过程_MySQL
最近对MySQL做了一些研究。以前主要接触的是SQL SERVER。所以,今天对该安装过程做了一些总结以及使用过程中的一些心得,并分享给大家。记得前面,分享过一篇关于数据库的几种连接方式。而本系列文章,将以对数据库的具体操作为主。
MySQL是最流行的开源SQL数据库管理系统,其由Oracle开发,部署和提供支持。MySQL官网http://www.mysql.com/提供了该软件的最新信息。MySQL是关系型数据库的管理系统,MySQLSERVER可以工作在Client/server 或嵌入式系统中。Oracle提供了一系列的MySQL的二进制部署文件,并压缩为tar格式,我们可以找到具体的对应版本。
具体步骤:
1 在下面的连接处下载文件。
http://dev.mysql.com/downloads/
2 我下载的是MySQL 5.7版本
选择安装方式。点击安装,根据提示,一步一步往下,会出现下面的安装界面:(选择自己需要的)
3 安装之后会要求配置,请一定选择好端口,避免端口冲突。默认端口是3306,我使用的是默认端口。
【在dos环境下,可以使用netstat命令来查看哪些端口正在使用】
4 账户和角色(很重要 ,一定要根据自己设置的来,最好备份下来)
填写 root账户对应的密码(请记住,后面要用,你登录也要用)
5 其余的按需要配置吧!
6找到mysqld服务器的位置(默认的在c盘下去找),输入如下命令,首次测试服务器:
(请将目录切换到安装目录,再输入)
mysqld.exe –console
会看到一些关于启动的消息。
7 mysql 安装验证
成功安装完 MySQL 后,就会初始化基表,启动服务器。可以通过一些简单的测试来验证安装是否一切正常。
使用 mysqladmin工具来获取服务器状态
输入命令:
mysqladmin --version
(我的测试输出如下:
mysqladmin Ver 8.42 Distrib 5.7.7-rc, for Win32 on AMD64)
使用mysql客户端来执行简单的SQL命令
你可以通过在MySQL客户端上使用 mysql 命令去连接 MySQL 服务器。这时,不需要输入任何密码,因为默认情况下会设置为空白。
【只限在初始状况下】
输入如下命令:
Mysql
8在控制台,输入命令:
mysql -u root –p
出现:Enter password: ***** 输入密码【rootpassword,前面叫记住的】
我的输出结果:(提示命令必须以;或\g结束)
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 5
Server version: 5.7.7-rc-log MySQLCommunity Server (GPL)
Copyright (c) 2000, 2015, Oracle and/or itsaffiliates. All rights reserved.
Oracle is a registered trademark of OracleCorporation and/or its
affiliates. Other names may be trademarksof their respective
owners.
Type 'help;' or '\h' for help. Type '\c' toclear the current input statement.
9启动时运行mysql
如果想让 MySQL 在系统启动时自动运行,则可以 /etc/rc.local 文件中加入下列项:
/etc/init.d/mysqldstart
另外,在 etc/init.d/ 目录中必须存在mysqld 工具。

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