這篇文章給大家詳細介紹了MySql 5.7.17免安裝配置教程，首先大家需要先下載mysql 5.7.17 的安裝包，然后解壓，具體配置過程大家通過本文一起學習吧

1、下載mysql-5.7.17-winx64.zip安裝包

2、解壓安裝包。

D:\DevelopTool\mysql-5.7.17-winx64 #解壓目錄

3、在解壓目錄下創建一個名為data的文件夾，用來存放數據

D:\DevelopTool\mysql-5.7.17-winx64\data

4、配置啟動文件

把 D:\DevelopTool\mysql-5.7.17-winx64\my-default.ini 文件copy一份，重新命名為 my.ini ，修改里面的參數，如下：# 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 = 128M

# 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 = .....

# datadir = .....

# port = .....

# server_id = .....

#########################

# basedir 為安裝文件解壓后的目錄 ｜ basedir和datadir 可以使用相對路徑

# basedir=./..

basedir=D:\\DevelopTool\\mysql-5.7.11-winx64

# datadir 為用來存放數據的目錄

# datadir=./../data

datadir=D:\\DevelopTool\\mysql-5.7.11-winx64\\data

# port 為端口號

port=3306

# mar_connections為最大連接數

max_connections=20

character_set_server=utf8

# 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

# sort_buffer_size = 2M

# read_rnd_buffer_size = 2M

explicit_defaults_for_timestamp=true

sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

5、初始化數據目錄mysqld --defaults-file="D:\DevelopTool\mysql-5.7.17-winx64\my.ini" --initialize-insecure

它會初始化 data 目錄，在執行此命令前請先把data目錄下的所有文件先刪除，否則會失敗

可以選擇用 --initialize-insecure 或者 --initialize 來初始化，--initialize-insecure 初始化root密碼為空，如果用 --initialize來初始化，會產生一個隨機密碼

執行成功后，在data目錄下會生成mysql，perofrmance_schema，sys等目錄文件

6、安裝和啟動mysql服務#安裝服務

mysqld -install

#啟動服務

net start mysql

#進入mysql

mysql -u root -p

#移除mysql

mysqld -remove

總結

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