MySQL 8.0已经不支持下面这种命令写法 grant all privileges on *.* to root@"%" identified by "."; 正确的写法是 grant all privileges on *.* to ‘root‘@‘%‘ ;
grant all privileges on *.* to root@"%" identified by ".";报错问题
原文：https://www.cnblogs.com/Loners/p/12348366.html
