1. 下载MySQL Community Server 5.7.17,注意选择系统类型(32位/64位)

2. 解压缩MySQL压缩包到指定目录:

3.添加环境变量

右键-->我的电脑-->属性--> 高级系统设置-->环境变量

新建系统变量:

变量名:MYSQL_HOME

变量值:D:\database\mysql-5.7.17-winx64

再在path末尾中添加 %MYSQL_HOME%\bin

例如:

D:\Python27;C:\Users\duansf\Desktop\vim\vim80;%MYSQL_HOME%\bin

4.注册为windows系统服务:

需要在命令提示符(管理员模式)下执行:

d:\database\mysql-5.7.17-winx64\bin>d:\database\mysql-5.7.17-winx64\bin\mysqld install MySQL --defaults-file="d:\database\mysql-5.7.17-winx64\my.ini"

Service successfully installed.

my.ini内容如下:

[mysql]

# 设置mysql客户端默认字符集

default-character-set=utf8

[mysqld]

#设置3306端口

port = 3306

# 设置mysql的安装目录

basedir=D:/database/mysql-5.7.17-winx64

# 设置mysql数据库的数据的存放目录

datadir=D:/database/mysql-5.7.17-winx64/data

slow_query_log=TRUE

slow_query_log_file=d:/slow_query_log.txt

long_query_time=1

# 允许最大连接数

max_connections=200

# 服务端使用的字符集默认为8比特编码的latin1字符集

character-set-server=utf8

# 创建新表时将使用的默认存储引擎

default-storage-engine=INNODB

# 主从复制参数配置

log_bin = mysql-bin

server_id = 1

5.手动启动MySQL服务:

d:\database\mysql-5.7.17-winx64\bin>net start mysql

MySQL 服务正在启动 ..

MySQL 服务无法启动。

服务没有报告任何错误。

请键入 NET HELPMSG 3534 以获得更多的帮助。

手动启动服务失败，经查看官方资料，解决思路如下：

启动前我们需要使用-initialize初始化Data目录生成并生成随机密码，使用-initialize-insecure可以生成空密码。默认帐号root

此处我们用-initialize-insecure生成空密码

d:\database\mysql-5.7.17-winx64\bin>mysqld --initialize-insecure

d:\database\mysql-5.7.17-winx64\bin>net start mysql

MySQL 服务正在启动 ..

MySQL 服务已经启动成功。

用空密码登录：

C:\Users\duansf>mysql -u root -p

Enter password:

Welcome to the MySQL monitor.  Commands end with ; or \g.

Your MySQL connection id is 3

Server version: 5.7.17-log MySQL Community Server (GPL)

Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its

affiliates. Other names may be trademarks of their respective

owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql>

mysql> show databases;

+--------------------+

| Database           |

+--------------------+

| information_schema |

| mysql              |

| performance_schema |

| sys                |

+--------------------+

4 rows in set (0.00 sec)

mysql>

6.更改root密码:

mysql> UPDATE mysql.user SET password=PASSWORD("123456") WHERE user='root';

ERROR 1054 (42S22): Unknown column 'password' in 'field list'

mysql>

更改密码报错，因为新版5.7版本的mysql数据库下的user表中已经没有Password字段了,而是将加密后的用户密码存储于authentication_string字段

更改密码命令如下：

mysql> update MySQL.user set authentication_string=password('123456') where user='root';

Query OK, 1 row affected, 1 warning (0.02 sec)

Rows matched: 1  Changed: 1  Warnings: 1

mysql>

mysql>

mysql> flush privileges;

Query OK, 0 rows affected (0.13 sec)

7.用新密码登录:

d:\database\mysql-5.7.17-winx64\bin>mysql -u root -p

Enter password: ******

Welcome to the MySQL monitor.  Commands end with ; or \g.

Your MySQL connection id is 4

Server version: 5.7.17-log MySQL Community Server (GPL)

Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its

affiliates. Other names may be trademarks of their respective

owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql>

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