windows安装MYSQL5.7

windows安装MYSQL5.7

在Windows系统下安装MySQL 5.7的步骤如下：

步骤1：下载MySQL 5.7

1. 打开浏览器并访问MySQL下载页面。https://downloads.mysql.com/archives/community/
2. 选择“Windows (x86, 64-bit), ZIP Archive”或“MySQL Installer for Windows”下载。当前版本是 mysql-5.7.44-winx64.zip
3. 点击“Download”，在跳转页面中可以选择“No thanks, just start my download.”来直接下载。

步骤2：解压安装程序

1. zip文件windows10以上操作系统可以直接解压 另外可以使用其他压缩工具解压

假定你解压的路径是 D:\mysql-5.7.44-winx64

步骤3：配置环境变量

1. 右键点击“计算机”或“此电脑”，选择“属性”。
2. 点击“高级系统设置”，然后点击“环境变量”。
3. 新增一个环境变量 MYSQL_HOME=D:\mysql-5.7.44-winx64
4. 在“系统变量”部分，找到并选中Path，点击“编辑”。
5. 在“编辑环境变量”窗口中，点击“新建”，添加MySQL的bin目录路径。%MYSQL_HOME%\bin;
6. 点击“确定”保存并退出所有窗口。

步骤4：新建配置文件 my.ini

MYSQL配置文件参考

# 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.
[client]
default-character-set=utf8

[mysqld]
character-set-server=utf8
default-storage-engine=INNODB
#lower_case_table_names=1
log_bin_trust_function_creators=1
# 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:\mysql-5.7.44-winx64
 datadir = D:\mysql-5.7.44-winx64\data
 port = 3306
 character-set-server=utf8
 character-set-filesystem = utf8
# server_id = .....


# 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

步骤5：安装MYSQL

1. 打开命令提示符（按Win+R，输入cmd并回车）。
2. 输入以下命令连接到MySQL服务器：

mysqld --initialize --user=mysql --console

# 安装
mysqld --install mysql

# 卸载
mysqld -remove

# 启动服务
net start mysql
  
# 停止服务
net stop mysql

3. 命令行进入 mysql -u root -p
4. 成功连接后，修改密码：

mysql>update mysql.user set authentication_string=password('123456') where user='root';
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '123456' WITH GRANT OPTION;
mysql> flush privileges;

结束