一：Error Code: 1044. Access denied for user ‘root‘@‘%‘ to database ① mysql -u root -p 进入到mysql中 ②SELECT host,user,password,Grant_priv,Super_priv FROM mysql.user; 查看权限 ③UPDATE mysql.user SET Grant_priv=‘Y‘, Super_priv=‘Y‘ WHERE User=‘root‘;修改权限 ④FLUSH PRIVILEGES;刷新
原文：http://www.cnblogs.com/xiaoyaodijun/p/5920766.html