解决mysql8.0修改默认密码

 ➜ ✗ mysql -uroot -p
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 13
Server version: 8.0.19 Homebrew

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mysql> use mysql
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A

Database changed
mysql> select user,host from user;
+------------------+-----------+
| user             | host      |
+------------------+-----------+
| mysql.infoschema | localhost |
| mysql.session    | localhost |
| mysql.sys        | localhost |
| root             | localhost |
+------------------+-----------+
4 rows in set (0.00 sec)

mysql> alter user 'root'@'localhost' identified with mysql_native_password by 'password';
Query OK, 0 rows affected (0.01 sec)

mysql> exit
Bye

我是用的 Homebrew 安装的mysql 8.0.19版本，默认root 账户的密码是空，回车就能进入。
修改密码的具体操作步骤如上，需要注意的是:alter user ‘{user}’@’{host}’ identified …