linux怎么登录mysql

[root@crmtestdb root]#mysql -u root -h 127.0.0.1

Welcome to the MySQL monitor.  Commands end with ; or \g.

Your MySQL connection id is 3

Server version: 5.0.45-community MySQL Community Edition (GPL)

Type ''help;'' or ''\h'' for help. Type ''\c'' to clear the buffer.

mysql>

mysql -u root -h 127.0.0.1 -p

mysql> show databases;

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

| Database           |

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

| information_schema |

| mysql              |

| test               |

| wt                 |

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

4 rows in set (0.00 sec)

mysql> use test

Database changed

mysql>