下安装MySQL
1、安装包下载
下载地址:https://dev.mysql.com/downloads/mysql/
下载完成后,选择一个磁盘内放置并解压。
还可以选择国内镜像:Mysql国内镜像:http://mirrors.sohu.com/mysql/MySQL-8.0/
下载完成之后,解压即可!
2 安装
(1)配置环境变量
变量名:MYSQL_HOME
变量值:E:javamysqlmysql-5.7.31-win32
(2)生成data文件
以管理员身份运行cmd
进入目录:E:javamysqlmysql-5.7.31-win32in
执行命令:mysqld --initialize-insecure --user=mysql
在E:javamysqlmysql-5.7.31-win32目录下生成data目录
( 3 ) 安装MySQL
>mysqld -install
(4)启动服务
net start MySQL
(5)设置(或修改)root用户密码
C:WINDOWSsystem32>mysql --version
mysql Ver 8.0.21 for Win64 on x86_64 (MySQL Community Server - GPL)
# mysql -uroot -proot
mysql> use mysql;
Database changed
mysql> update user set host = '%' where user = 'root';
Query OK, 0 rows affected (0.04 sec)
mysql> FLUSH PRIVILEGES;
Query OK, 0 rows affected (0.07 sec)
mysql> ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY 'root';
Query OK, 0 rows affected (0.11 sec)