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HomeDatabaseMysql Tutorialmysql 5.7.14 installation and configuration method graphic tutorial_MySQL

因笔者个人需要需要在本机安装Mysql,先将安装过程记录如下,希望对他人有所参考。 

一、下载软件

1. 进入mysql官网,登陆自己的oracle账号,下载Mysql-5.7.14,下载地址:http://dev.mysql.com/downloads/mysql/

2.将下载好的文件解压到指定目录,笔者解压在C:\software\Mysql\mysql-5.7.14-winx64 

二、 安装过程

1.首先配置环境变量path,将C:\software\Mysql\mysql-5.7.14-winx64\bin配置到自己的path中,具体再次不详述。

2.在解压路径下复制my-default.ini,修改名称为my.ini如下图所示。

3.打开文件my.ini,添加内容如下:

[mysqld]
basedir=C:\\software\Mysql\mysql-5.7.14-winx64
datadir=C:\\software\Mysql\mysql-5.7.14-winx64\data
port=3306

其中basedir:是上述mysql的解压路径
datadir:后续初始化等数据都会保存在该目录下,在该文件目录下新建data文件夹
port:表示连接数据库的端口号 

三、 初始化数据库   配置相关信息
1.以管理员身份运行windows 命令行
2. 进入mysql的解压缩目录:

         

提醒:此处需要进入bin目录,否则后续操作会出现错误。

3.执行进行初始化,此时会生成root的初始密码如下图所示:

         

记住此时生成的初始化密码。

4.按准过Mysql服务。运行命令:mysqld --install MySQL

成功安装mysql服务。

5.此时,可以起动mysql服务,net start mysql
用户可能会出现如下错误:发生系统错误 2. 系统找不到指定文件。 

 

错误原因:如上所述,在运行安装service命令:mysqld --install MySQL时,我们没有进入bin目录,进行安装。                        

解决方案:进入bin目录,首先移除service,运行命令 mysqld --remove

                       

重新安装mysql服务,运行命令mysqld --install 

 

此时mysql服务已成功起动。

四、登陆数据库,修改密码
命令行输入   mysql -u root -p,错误描述:error 1045 (28000) 

                 

解决方法:在my.ini文件中在[mysqld]后一行加入skip-grant-tables
此时,关闭mysql服务,再重新启动。  

                        

重新登陆:  

                            

不需输入密码,直接enter。

选择mysql数据库:


Query the user table of mysql database, select * from user

                                                                                        

At this point, we find that the name of the password field is authentication_string. Some may be password, depending on the results of your query.

Perform update operation on table user: update user set authentication_string = password("*******") where user="root"

                                                                                   The operation was successful. Exit mysql


Delete skip-grant-tables in the my.ini file and restart the mysql service.


                                                                             

Start successfully. At this point, mysql is successfully installed in windows.

The above is the installation and configuration method of mysql 5.7.14. I hope it will be helpful to everyone's learning.

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