mysql怎么查看用户名？

mysql> show databases;

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

| Database           |

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

| information_schema |

| mysql              |

| performance_schema |

| test               |

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

rows in set (0.00 sec)

mysql>

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 host,user from mysql.user;

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

| host       | user |

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

| 127.0.0.1  | root |

| ::1        | root |

| localhost  |      |

| localhost  | root |

| server.gao |      |

| server.gao | root |

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

rows in set (0.00 sec)

mysql>