MySQL user DB does not have password columns - Installing MySQL on OSX
In MySQL 5.7, the password field in mysql.user table field was removed, now the field name is 'authentication_string'.
First choose the database:
mysql>use mysql;
And then show the tables:
mysql>show tables;
You will find the user table, now let's see its fields:
mysql> describe user;
+------------------------+-----------------------------------+------+-----+-----------------------+-------+
| Field | Type | Null | Key | Default | Extra |
+------------------------+-----------------------------------+------+-----+-----------------------+-------+
| Host | char(60) | NO | PRI | | |
| User | char(16) | NO | PRI | | |
| Select_priv | enum('N','Y') | NO | | N | |
| Insert_priv | enum('N','Y') | NO | | N | |
| Update_priv | enum('N','Y') | NO | | N | |
| Delete_priv | enum('N','Y') | NO | | N | |
| Create_priv | enum('N','Y') | NO | | N | |
| Drop_priv | enum('N','Y') | NO | | N | |
| Reload_priv | enum('N','Y') | NO | | N | |
| Shutdown_priv | enum('N','Y') | NO | | N | |
| Process_priv | enum('N','Y') | NO | | N | |
| File_priv | enum('N','Y') | NO | | N | |
| Grant_priv | enum('N','Y') | NO | | N | |
| References_priv | enum('N','Y') | NO | | N | |
| Index_priv | enum('N','Y') | NO | | N | |
| Alter_priv | enum('N','Y') | NO | | N | |
| Show_db_priv | enum('N','Y') | NO | | N | |
| Super_priv | enum('N','Y') | NO | | N | |
| Create_tmp_table_priv | enum('N','Y') | NO | | N | |
| Lock_tables_priv | enum('N','Y') | NO | | N | |
| Execute_priv | enum('N','Y') | NO | | N | |
| Repl_slave_priv | enum('N','Y') | NO | | N | |
| Repl_client_priv | enum('N','Y') | NO | | N | |
| Create_view_priv | enum('N','Y') | NO | | N | |
| Show_view_priv | enum('N','Y') | NO | | N | |
| Create_routine_priv | enum('N','Y') | NO | | N | |
| Alter_routine_priv | enum('N','Y') | NO | | N | |
| Create_user_priv | enum('N','Y') | NO | | N | |
| Event_priv | enum('N','Y') | NO | | N | |
| Trigger_priv | enum('N','Y') | NO | | N | |
| Create_tablespace_priv | enum('N','Y') | NO | | N | |
| ssl_type | enum('','ANY','X509','SPECIFIED') | NO | | | |
| ssl_cipher | blob | NO | | NULL | |
| x509_issuer | blob | NO | | NULL | |
| x509_subject | blob | NO | | NULL | |
| max_questions | int(11) unsigned | NO | | 0 | |
| max_updates | int(11) unsigned | NO | | 0 | |
| max_connections | int(11) unsigned | NO | | 0 | |
| max_user_connections | int(11) unsigned | NO | | 0 | |
| plugin | char(64) | NO | | mysql_native_password | |
| authentication_string | text | YES | | NULL | |
| password_expired | enum('N','Y') | NO | | N | |
| password_last_changed | timestamp | YES | | NULL | |
| password_lifetime | smallint(5) unsigned | YES | | NULL | |
| account_locked | enum('N','Y') | NO | | N | |
+------------------------+-----------------------------------+------+-----+-----------------------+-------+
45 rows in set (0.00 sec)
Surprise！There is no field named 'password', the password field is named ' authentication_string'. So, just do this:
update user set authentication_string=password('1111') where user='root';
Now, everything will be ok.
Compared to MySQL 5.6, the changes are quite extensive: What’s New in MySQL 5.7
This error happens if you did not set the password on install, in this case the mysql using unix-socket plugin.
But if delete the plugin link from settings (table mysql.user) will other problem. This does not fix the problem and creates another problem. To fix the deleted link and set password ("PWD") do:
1) Run with --skip-grant-tables as said above.
If it doesnt works then add the string skip-grant-tables in section [mysqld] of /etc/mysql/mysql.conf.d/mysqld.cnf. Then do
sudo service mysql restart.
2) Run mysql -u root -p, then (change "PWD"):
update mysql.user
set authentication_string=PASSWORD("PWD"), plugin="mysql_native_password"
where User='root' and Host='localhost';
flush privileges;
quit
then sudo service mysql restart. Check: mysql -u root -p.
Before restart remove that string from file mysqld.cnf, if you set it there.
One pitfall I fell into is there is no password field now, it has been renamed so:
update user set password=PASSWORD("YOURPASSWORDHERE") where user='root';
Should now be:
update user set authentication_string=password('YOURPASSWORDHERE') where user='root';
Use the ALTER USER command rather than trying to update a USER row. Keep in mind that there may be more than one 'root' user, because user entities are qualified also by the machine from which they connect
https://dev.mysql.com/doc/refman/5.7/en/alter-user.html
For example.
ALTER USER 'root'@'localhost' IDENTIFIED BY 'new-password'
ALTER USER 'root'@'*' IDENTIFIED BY 'new-password'
It only worked with me when I "flushed" after the commands mentioned here. Here's the full list of commands I used:
Previous answers might not work for later mysql versions. Try these steps if previous answers did not work for you:
1- Click on the wamp icon > mysql > mysql console
2- write following commands, one by one
use mysql;
update user set authentication_string=password('your_password') where user='root';
FLUSH PRIVILEGES;
quit