mysql8有社区版吗_Windows下MySQL8社区版安装

本是古典何须时尚 2022-10-31 12:16 53阅读 0赞

下载完后解压到安装目录(如：D:/MySQL)，不要带中文或特殊字符；

将MySQL的bin目录加到系统环境变量path里(如：D:/MySQL/bin)；

用管理员权限打开cmd窗口；

下面是关键步骤，在cmd中执行命令；

\-- 初始化root用户【注意会给一个初始密码】

C:\\Windows\\system32>mysqld --initialize --user=root --console

2020-11-21T09:38:52.438070Z 0 \[System\] \[MY-013169\] \[Server\] D:\\Program Files\\mysql-8.0.22-winx64\\bin\\mysqld.exe (mysqld 8.0.22) initializing of server in progress as process 18560

2020-11-21T09:38:52.448760Z 1 \[System\] \[MY-013576\] \[InnoDB\] InnoDB initialization has started.

2020-11-21T09:38:53.139640Z 1 \[System\] \[MY-013577\] \[InnoDB\] InnoDB initialization has ended.

2020-11-21T09:38:54.451045Z 6 \[Note\] \[MY-010454\] \[Server\] A temporary password is generated for root@localhost: X;hMs2cWiSz(

\-- 安装mysql

C:\\Windows\\system32>mysqld --install mysql

Service successfully installed.

\-- 启动mysql

C:\\Windows\\system32>net start mysql

mysql 服务正在启动 .

mysql 服务已经启动成功。

\-- 用root用户和密码登录mysql

C:\\Windows\\system32>mysql -u root -p

Enter password: \*\*\*\*\*\*\*\*\*\*\*\*

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

Your MySQL connection id is 9

Server version: 8.0.22

......

\-- 重设root用户密码

mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY 'root123';

Query OK, 0 rows affected (0.02 sec)

\-- 大功告捷

mysql> show databases;

\+--------------------+

| Database |

\+--------------------+

| information\_schema |

| mysql |

| performance\_schema |

| sys |

\+--------------------+

4 rows in set (0.01 sec)

注意：如果之前安装过mysql导致在上述步骤无法成功，需要先卸载mysql，并删除安装目录下的data文件夹！

\-- 停止mysql

C:\\Windows\\system32>net stop mysql

mysql 服务正在停止.

mysql 服务已成功停止。

\-- 卸载mysql

C:\\Windows\\system32>mysqld --remove

Service successfully removed.

\-- 初始化root用户【失败，因为data目录没删除】

C:\\Windows\\system32>mysqld --initialize --user=root --console

2020-11-21T09:38:10.965743Z 0 \[System\] \[MY-013169\] \[Server\] D:\\Program Files\\mysql-8.0.22-winx64\\bin\\mysqld.exe (mysqld 8.0.22) initializing of server in progress as process 17288

2020-11-21T09:38:10.967697Z 0 \[ERROR\] \[MY-010457\] \[Server\] --initialize specified but the data directory has files in it. Aborting.

2020-11-21T09:38:10.967717Z 0 \[ERROR\] \[MY-013236\] \[Server\] The designated data directory D:\\Program Files\\mysql-8.0.22-winx64\\data\\ is unusable. You can remove all files that the server added to it.

2020-11-21T09:38:10.982219Z 0 \[ERROR\] \[MY-010119\] \[Server\] Aborting

2020-11-21T09:38:10.983814Z 0 \[System\] \[MY-010910\] \[Server\] D:\\Program Files\\mysql-8.0.22-winx64\\bin\\mysqld.exe: Shutdown complete (mysqld 8.0.22) MySQL Community Server - GPL.