Home Database Mysql Tutorial 图文详解mysql5.7安装教程_MySQL

图文详解mysql5.7安装教程_MySQL

May 27, 2016 pm 04:56 PM
mysql Install

本文实例为大家分享了mysql5.7安装图文教程供大家参考,具体内容如下

1.在官网下载解压缩版


2.解压后配置默认文件

新建个my.ini(可以复制一份my-default.ini,并改名为my.ini)。my.ini会替换掉下面的my-default.ini文件。

按需修改配置文件。

# For advice on how to change settings please see
# http://dev.mysql.com/doc/refman/5.7/en/server-configuration-defaults.html
# *** DO NOT EDIT THIS FILE. It's a template which will be copied to the
# *** default location during install, and will be replaced if you
# *** upgrade to a newer version of MySQL.

[mysqld]

# Remove leading # and set to the amount of RAM for the most important data
# cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.
innodb_buffer_pool_size = 600M #(Mysql数据缓存大小,根据自己内存大小跟需求调整)

# Remove leading # to turn on a very important data integrity option: logging
# changes to the binary log between backups.
# log_bin

# These are commonly set, remove the # and set as required.
 basedir = C:\Program Files\mysql57 #(Mysql目录路径)
 datadir = C:\Program Files\mysql57\data #(Mysql库路径,默认是跟根录下data文件夹,注意这个路径改了的话一定要把原data目录下的文件复制过去,不然会报1067错误)

 character-set-server=utf8 #(服务器默认字符,跟上面保持一致)
 port = 3306 #(Mysql使用端口,默认3306) 
 server_id = 11


# Remove leading # to set options mainly useful for reporting servers.
# The server defaults are faster for transactions and fast SELECTs.
# Adjust sizes as needed, experiment to find the optimal values.

# join_buffer_size = 128M   (Join操作使用内存) 
# sort_buffer_size = 2M   (排序使用内存) 
# read_rnd_buffer_size = 2M  (随机读取数据缓冲区使用内存)(以上三条根据自己的情况设置)     

sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

Copy after login

3.安装mysql服务

在搜索栏里面输入cmd,上面会出来一个cmd.exe,右键cmd.exe选择以管理员身份运行。

将目录切换到解压文件的bin目录,再输入mysqld install回车运行就行了,注意是是mysqld,不是mysql。出现安装成功就ok了。

4.初始化data文件夹

将目录切换到解压文件的bin目录,运行 mysqld --initialize-insecure

(如果运行 mysqld --initialize,会生成一个随机密码,比较麻烦。参考官网:http://dev.mysql.com/doc/refman/5.7/en/data-directory-initialization-mysqld.html)
在MySQL 5.7.6解压缩文件中不在有data文件夹,所以需要初始化,以生成data文件夹并在系统数据库中填充相关的表。 

5.启动mysql服务

输入 net start mysql 启动服务。或者不嫌麻烦就在“右键此电脑-管理-服务”中手动开启(win7打开服务界面的简单方法:打开任务管理器,点服务)。

6.修改root密码

运行 mysql -u root -p ,密码直接回车。进入后修改密码,mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY '你的密码';

7.设置环境变量

虽然打开mysql 了,但每次打开mysql 都要输入那么多指令切换目录是不是很讨厌?怎么弄呢?

右键我的电脑->属性->高级系统设置->环境变量->path->编辑,将你的mysql软件下的bin目录的全路径放里面。最后在那个目录的路径后面加个英文的分号(;)保存就行了。如D:\mysql\mysql-x.x.xx-winx64\bin;

为啥这样弄呢?简单的说环境变量里面的path路径,就是cmd系统的查找目录路径。你输入一个指令,系统怎么知道这个指令有没有呢?系统做了什么事?其实系统是在当前目录和系统环境变量path里面的路径全部查找一边,找到第一个为准,找不到就报错。所以我们要不每次都切换cmd目录,要不就设置了,以后就不需要再切换cmd路径了。

打个比方:系统就像一辆公交车,按着既定的路线走,环境变量里面的路径就是那个路线或者说是各个站,到了站(找到第一个)就下车。

参考文章:MySQL下载安装、配置与使用教程详细版(win7x64)

以上就是本文的全部内容,希望对大家的学习有所帮助。

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