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 -p Enter password: Welcome to the MySQL monitor. Commands end with ; or g. Your MySQL connection id is 1 Server 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 its affiliates. Other names may be trademarks of their respective owners. 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 | +--------------------+ 4 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 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 | +------------+------+ 6 rows in set (0.00 sec) mysql>
创建用户:
mysql> create user 'usrabc'@'%' identified by 'usrabc'; Query OK, 0 rows affected (0.00 sec) mysql> select host,user from mysql.user; +------------+--------+ | host | user | +------------+--------+ | % | usrabc | | 127.0.0.1 | root | | ::1 | root | | localhost | | | localhost | root | | server.gao | | | server.gao | root | +------------+--------+ 7 rows in set (0.00 sec) mysql>
删除
Delete FROM user Where User='test' and Host='localhost';