[step on the pit series] MySQL failed to modify the root password

【 Step on the pit series 】 mysql modify root Password failed

Question why

mysql modify root Password failed , Mainly because root Of host No localhost, yes % The problem of .

To change a password

--  Switch to  mysql bin  route 

-- Log on first mysql
mysql -u root -p
-- Input password 

--  Switch to mysql data 
use mysql;

--  Query user information 
select user,host from user;

+------------------+-----------+
| user             | host      |
+------------------+-----------+
| root             | %         |
| admin            | localhost |
| mysql.infoschema | localhost |
| mysql.session    | localhost |
| mysql.sys        | localhost |
| zhangj           | localhost |
+------------------+-----------+

Pay attention to my root,host yes ’%’

ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY '123';