遇到“operation alter user failed for 'root'@'localhost'”错误时,通常意味着你尝试修改root用户在localhost的密码或属性时遇到了权限问题或配置问题。以下是针对这个问题的详细解答: 1. 识别和理解错误信息 错误信息“operation alter user failed for 'root'@'localhost'”明确指出,在执行ALTER USER命令以修改root...
ERROR 1396 (HY000): Operation ALTER USER failed for 'root'@'localhost' 问题就是 Navicat连接时报错 然后再服务器上设置mysql密码报错 其实这个问题很简单: show databases; show tables; 执行后会发现有个user 表; select host,user from user; 第一行host是我自己添加的,最下面一行是一开始就有的root账户...
mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY 'MyP@ssw0rd8'; ERROR 1396 (HY000): Operation ALTER USER failed for 'root'@'localhost' 解决方法: 1、查询用户:select user,host from user; mysql> select user,host from user; +---+---+ | user | host | +---+---+ | root | % ...
6.然后使用命令:alter user ‘root’@’%’ identified with mysql_native_password by ‘your password’; 执行这个语句时如果报错“ERROR 1396 (HY000): Operation ALTER USER failed for ‘root’@’%’”,就执行第6步,如果没报错就走第7步 7.保留当前窗口,新打开一个窗口,重新进入mysql,执行该命令就可以...
这个错误通常出现在尝试执行ALTER USER命令时,尤其是在修改root用户的密码时。错误信息明确指出“Operation ALTER USER failed for 'root'@'localhost'”,这不仅会影响数据库的正常运行,还可能带来安全隐患。因此,了解并解决这一问题显得尤为重要。 1.2 ALTER USER命令的结构与用法...
mysqlbin目录cmd回车进入命令行界面或管理员身份运行; 1.登录mysql > mysql-u root-p 输入密码 2. >use mysql 重置密码 > updateuserset authentication_string=''whereuser='root'; >flush privileges; >selectuser,hostfromuser; ALTERUSER'root'@'%' IDENTIFIEDWITH mysql_native_passwordBY'123';...
ERROR 1396 (HY000): Operation ALTER USER failed for ‘root’@‘localhost’ 执行命令: use mysql 1. select user,host from user; 1. 结果显示为: 这里我们可以看到,我的user为root,而我的host为%,所以我的命令应该改为: alter user 'root'@'%' identified by 'root'; ...
ERROR 1396 (HY000): Operation ALTER USER failed for 'root'@'localhost' 1. 我们可可以查看mysql 数据库中user表的 plugin字段; select host,user,plugin from user; 1. 发现都是caching_sha2_password的插件,而不是mysql_native_password插件 所以我们把他改回去 ...
ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '123'; 改成: ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY '123'; 如果还是不行: 尝试一:重置密码为空 先登录MySQL,重置密码为空,并刷新 update user set authentication_string='' where user='root'; ...
1251 client does not support authentication protocol requested by server;consider upgrading Mysql client ERROR 1396 (HY000): Operation ALTER USER failed for ‘root’@'localhost’ 先登录mysql mysql-uroot-p 1. 输入密码 mysql> use mysql; mysql> select user,host from user; ...