win10安装mysql多实例步骤

第一步：官方下载 mysql-5.7.32-winx64.zip 压缩包；

第二步：解压文件，我是放到了D盘下，解压后两个实例的路径如下，

D:\Program Files\mysql-5.7.32-V1

D:\Program Files\mysql-5.7.32-V2

第三步：安装实例1

1. 根目录下创建配置文件my.ini，主要为标红部分

# For advice on how to change settings please see

# http://dev.mysql.com/doc/refman/5.6/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]

#skip_grant_tables

 

# 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 = D:/Program Files/mysql-5.7.32-V1

datadir = D:/Program Files/mysql-5.7.32-V1/data

port = 3307

server_id = MYSQL57V1

character_set_server=utf8

default-storage-engine=INNODB

max_connections=200

 

# 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

sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

2. 打开命令行，以管理员方式运行，到实例1目录的bin文件夹下

D:\Program Files\mysql-5.7.32-V1\bin，

执行mysqld install MySql57V1 --defaults-file="D:\Program Files\mysql-5.7.32-V1\my-default.ini"，初始化data目录；

再执行mysqld --defaults-file="D:\Program Files\mysql-5.7.32-V2\my-default.ini" --initialize-insecure --explicit_defaults_for_timestamp，创建为空的root账号

3. 如果以前安装过mysql，这是个坑，我在这里卡了老半天，需要到注册表查看对应服务的ImagePath的值是否为对应的目录，路径如下截图：

修改完毕后，启动服务net start MySql57V1

停止服务,net stop MySql57V1

4. 修改配置文件，打开安全模式，my.ini配置文件添加或打开这行配置

skip_grant_tables

5.回到控制台，执行mysql –u root –P 3307 –p,直接回车进入

6. 执行use mysql;

7. update user set authentication_string=password("123") where user="root";

显示：Query OK,1 rows affected(0.01 sec) Rows matched:1 Changed:1 Warnings:1

8. flush privileges;

显示：Query OK,0 rows affected (0.00 sec)

9. quit;

10.关闭安全模式

配置文件注释#skip_grant_tables

11.重启实例1服务

第四步，重复第三步步骤，安装实例2

注意目录要到自己的实例2目录下，我的是D:\Program Files\mysql-5.7.32-V2，

配置文件修改端口为3308，service-id=MySql57V2

mysqld install MySql57V2 --defaults-file="D:\Program Files\mysql-5.7.32-V1\my-default.ini"

两个实例安装完成