MySQL-mysql-5.7.30-winx64的cmd安装记录

C:\Windows\system32>cd C:\Program Files\MySQL\mysql-5.7.30-winx64\bin

C:\Program Files\MySQL\mysql-5.7.30-winx64\bin>mysqld -install
Service successfully installed.

C:\Program Files\MySQL\mysql-5.7.30-winx64\bin>mysqld --initialize

C:\Program Files\MySQL\mysql-5.7.30-winx64\bin>net start mysql
MySQL 服务正在启动 .
MySQL 服务已经启动成功。

C:\Program Files\MySQL\mysql-5.7.30-winx64\bin>mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.7.30 MySQL Community Server (GPL)

Copyright (c) 2000, 2020, 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> alter user user() identified by "123456";
Query OK, 0 rows affected (0.00 sec)

mysql> exit
Bye

C:\Program Files\MySQL\mysql-5.7.30-winx64\bin>net stop mysql
MySQL 服务正在停止.
MySQL 服务已成功停止。

C:\Program Files\MySQL\mysql-5.7.30-winx64\bin>

 

2020/06/04 补充

如果遇到 ibdata1 文件无权限，请在 属性-安全 中分配控制权限

 

2020/06/30 补充

MySQL事务级别修改：

查询事务级别：show global variables like '%isolation%';
修改全局事务级别：set global transaction isolation level read committed;
修改会话事务级别：set session transaction isolation level read committed;