MySQL创建新用户后无法登录,提示 Access denied for user 'username'@'localhost' (using password: YES) ,多半是因为存在匿名用户,要解决这个问题只要删除数据库中的匿名用户即可. MySQL新建用户后无法登录,提示 Access denied for user 'username'@'localhost' (using password: YES) 的解决方法: 请使用root账户通过命令行或PHP程序运行以下代码 MySQL
1.sqlplus /nolog 2.conn /as sysdba 3.alter user system identified by "123456"; 4.alter user sys identified by "123456"; 5.select instance_name from v$instance; 6.show user user为“SYS”是oracle权限最高的用户. 7.create user C##hellozhang identif