【MySQL】关于MySQL的root用户授权

一、实验环境

# systemctl status mysqld

# cat /etc/systemd/system/mysqld.service

 

 

# cat /opt/mysqlconfig/mysqld.cnf

二、问题背景

 

mysql> CREATE DATABASE IF NOT EXISTS test DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;

mysql>  grant all privileges on test.* to 'test_user'@'%' IDENTIFIED BY 'Test@123';

报错：1044 - Access denied for user 'root'@'%' to database 'test'

 

三、问题解决

# docker ps | grep mysql

 

# docker exec -it mysql mysql -u root -p"MySQL@123"

mysql> select user,host from mysql.user;

 

mysql> show grants for root@'%';

mysql> show grants for root@'localhost';