!!!MySQL 簡易設定
[MySQL][Database]
!!インストール
 # yum install mysql-server
!!起動
 # /etc/rc.d/init.d/mysqld start
!!利用
 # mysql -u root -p
!!設定
!root パスワードの変更
 mysql> set password for 'root'@'localhost' = password('newpassword');
 Query OK, 0 rows affected (0.00 sec)
 mysql> set password for 'root'@'krishna.typea.info' = password('newpassword');
 Query OK, 0 rows affected (0.00 sec)
 mysql> set password for 'root'@'127.0.0.1' = password('newpassword');
 Query OK, 0 rows affected (0.00 sec)
!ユーザーの作成
 mysql> create user piroot@"%";
 Query OK, 0 rows affected (0.00 sec)
 mysql> create user piroot@localhost;
 Query OK, 0 rows affected (0.00 sec)
 mysql> set password for 'piroot'@'localhost' = password('newpassword');
 Query OK, 0 rows affected (0.00 sec)
 mysql> set password for 'piroot'@'%' = password('newpassword');
 Query OK, 0 rows affected (0.00 sec)
!管理権限をユーザーに追加
 mysql> grant all privileges on *.* to piroot@localhost identified by 'newpassword' with grant option;
 Query OK, 0 rows affected (0.00 sec)
 mysql> grant all privileges on *.* to piroot@"%" identified by 'newpassword' with grant option;
 Query OK, 0 rows affected (0.00 sec)

!権限を限定して追加
 mysql> grant create,select,insert,update,delete on *.* to piroot@localhost identified by 'password';
 Query OK, 0 rows affected (0.00 sec)
 mysql> grant create,select,insert,update,delete on *.* to piroot@"%" identified by 'password';
 Query OK, 0 rows affected (0.00 sec)
 mysql> grant create,select,insert,update,delete on *.* to piroot@"%" identified by 'password';
 Query OK, 0 rows affected (0.00 sec)

::確認
 mysql> select host, user from mysql.user;
 +--------------------+--------+
 | host               | user   |
 +--------------------+--------+
 | %                  | piroot | 
 | 127.0.0.1          | root   | 
 | krishna.typea.info |        | 
 | krishna.typea.info | root   | 
 | localhost          |        | 
 | localhost          | piroot | 
 | localhost          | root   | 
 +--------------------+--------+
 7 rows in set (0.00 sec)
::データベースの作成
 mysql> create database mt character set utf8;
 Query OK, 1 row affected (0.10 sec)