Mac MySql更改原始密码

 1.下载好mysql后，打开终端

➜  tmp mysql -u root -p                   
Enter password: 

 2.直接回车，进入mysql控制台，设置新密码　　

  mysql> SET PASSWORD FOR 'root'@'localhost' = PASSWORD('你的新密码');

 3.退出重进，直接回车不输入密码，提示密码错误

➜  tmp mysql -u root -p
Enter password: 
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)

 4.输入刚刚设定的密码，成功进入

➜  tmp mysql -u root -p
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or g.
Your MySQL connection id is 12
Server version: 5.7.27 Homebrew

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Type 'help;' or 'h' for help. Type 'c' to clear the current input statement.

mysql> show databases
    -> ;
+------------------------------+
| Database                     |
+------------------------------+
| information_schema           |
| commerce_backend_development |
| commerce_backend_production  |
| commerce_backend_test        |
| mysql                        |
| performance_schema           |
| sys                          |
+------------------------------+
7 rows in set (0.01 sec)