mysql 修改密码，版本不一样 多多次尝试

Your MySQL connection id is 1
Server version: 5.6.50-log Source distribution

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mysql> use mysql;
Database changed
mysql> UPDATE mysql.user SET Password=PASSWORD('123456') WHERE User='root';
Query OK, 4 rows affected (0.00 sec)
Rows matched: 4  Changed: 4  Warnings: 0

mysql> FLUSH PRIVILEGES
    -> ;
Query OK, 0 rows affected (0.00 sec)

mysql> exit
Bye