解决mysql的赋权操作之GRANT ALL PRIVILEGES ON *.* TO ‘root‘@‘%‘ IDENTIFIED BY ‘123456‘ WITH GRANT OPTION问题

一种情况

mysql的赋权操作：GRANT ALL PRIVILEGES ON *.* TO ‘root‘@‘%‘ IDENTIFIED BY ‘123456‘ WITH GRANT OPTION；

mysql赋权操作：

GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '123456' WITH GRANT OPTION;

flush privileges;
GRANT：赋权命令
ALL PRIVILEGES：当前用户的所有权限
ON：介词
*.*：当前用户对所有数据库和表的相应操作权限
TO：介词
‘root’@’%’：权限赋给root用户，所有ip都能连接
IDENTIFIED BY ‘123456’：连接时输入密码，密码为123456
WITH GRANT OPTION：允许级联赋权

20200901:
将GRANT语句通过代码块包起来

二种情况

mysql中远程连接权限语句grant all privileges on *.* to ‘root‘@‘%‘ identified by ‘123456‘ with grant optio报错

grant all privileges on *.* to ‘root‘@‘%‘ identified by ‘123456‘ with grant optio

原因： mysql的版本问题，这条语句适用于MySQL8.0之前

解决： mysql8.0及以上版本需要使用以下语句：

create user root@'%' identified by '123456';
grant all privileges on *.* to root@'%' with grant option;

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