启动数据库：

[root@server ~]# mysqld_safe &[1] 3289[root@server ~]# 130913 08:19:58 mysqld_safe Logging to '/usr/local/mysql/data/server.gao.err'.130913 08:19:58 mysqld_safe Starting mysqld daemon with databases from /usr/local/mysql/data

连接到数据库：

[root@server ~]# mysql -uroot -pEnter password: Welcome to the MySQL monitor.Commands end with ; or \g.Your MySQL connection id is 1Server version: 5.6.13 MySQL Community Server (GPL)Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.Oracle is a registered trademark of Oracle Corporation and/or itsaffiliates. Other names may be trademarks of their respectiveowners.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.mysql>

查看数据库列表：

mysql> show databases;+--------------------+| Database |+--------------------+| information_schema || mysql|| performance_schema || test |+--------------------+rows in set (0.00 sec)mysql>

查看用户状态：

mysql> use mysql;Reading table information for completion of table and column namesYou can turn off this feature to get a quicker startup with -ADatabase changedmysql> 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>