Navicat连接MySQL8.0的方法（有效）

mysql> use mysql;

Database changed

mysql> select user,host from user;

+------------------+-----------+

| user             | host      |

+------------------+-----------+

| mysql.infoschema | localhost |

| mysql.session    | localhost |

| mysql.sys        | localhost |

| root             | localhost |

+------------------+-----------+

rows in set (0.00 sec)