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¡¡¡¡1 .mysqlµÄÆô¶¯ÓëÍ£Ö¹
¡¡¡¡Æô¶¯MYSQL·þÎñ net start mysql
¡¡¡¡Í£Ö¹MYSQL·þÎñ net stop mysql
¡¡¡¡2 . netstat –na | findstr 3306 ²é¿´±»¼àÌýµÄ¶Ë¿Ú , findstrÓÃÓÚ²éÕÒºóÃæµÄ¶Ë¿ÚÊÇ·ñ´æÔÚ
¡¡¡¡3 . ÔÚÃüÁîÐÐÖеǽMYSQL¿ØÖÆÌ¨ , ¼´Ê¹Óà MYSQL COMMEND LINE TOOL
¡¡¡¡ Óï·¨¸ñʽ mysql –user=root –password=123456 db_name
¡¡¡¡ »ò mysql –u root –p123456 db_name
¡¡¡¡4 . ½øÈëMYSQLÃüÁîÐй¤¾ßºó , ʹÓÃstatus; »ò\s ²é¿´ÔËÐл·¾³ÐÅÏ¢
¡¡¡¡5 . Çл»Á¬½ÓÊý¾Ý¿âµÄÓï·¨ : use new_dbname;
¡¡¡¡6 . ÏÔʾËùÓÐÊý¾Ý¿â : show databases;
¡¡¡¡7 . ÏÔʾÊý¾Ý¿âÖеÄËùÓбí : show tables;
¡¡¡¡8 . ÏÔʾij¸ö±í´´½¨Ê±µÄÈ«²¿ÐÅÏ¢ : show create table table_name;
¡¡¡¡9 . ²é¿´±íµÄ¾ßÌåÊôÐÔÐÅÏ¢¼°±íÖи÷×ֶεÄÃèÊö
¡¡¡¡ Describe table_name; ËõдÐÎʽ : desc table_name;
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¡¡¡¡1Êý¾Ý¿â´´½¨ : Create database db_name;
¡¡¡¡Êý¾Ý¿âɾ³ý : Drop database db_name; ɾ³ýʱ¿ÉÏÈÅжÏÊÇ·ñ´æÔÚ£¬Ð´³É : drop database if exits db_name
¡¡¡¡2 ½¨±í : ´´½¨Êý¾Ý±íµÄÓï·¨ : create tab ......

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DROP TABLE IF EXISTS `nation`;
CREATE TABLE `nation`(
    `pii_Nation` smallint(2) unsigned NOT NULL default '0',
    `pii_NatinoName` varchar(40) NOT NULL default '',
    PRIMARY KEY  (`pii_Nation`)
)ENGINE=InnoDB DEFAULT CHARSET=utf8;
DROP TABLE IF EXISTS `userinfo`;
CREATE TABLE `userinfo` (
    `ID` char(18) NOT NULL default '',
    `Name` varchar(20) NOT NULL default '',
    `Sex` varchar(2) NOT NULL default 'ÄÐ',
    `pii_Nation` smallint(2) unsigned NOT NULL default '0',
    PRIMARY KEY  (`ID`),
    FOREIGN KEY (`pii_Nation`) references nation(`pii_Nation`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8; ......

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sudo apt-get install mysql-server
sudo apt-get install mysql-client
sudo apt-get install php5-mysql
// °²×°php5-mysql Êǽ«phpºÍmysqlÁ¬½ÓÆðÀ´
Ò»µ©°²×°Íê³É£¬MySQL ·þÎñÆ÷Ó¦¸Ã×Ô¶¯Æô¶¯¡£Äú¿ÉÒÔÔÚÖÕ¶ËÌáʾ·ûºóÔËÐÐÒÔÏÂÃüÁîÀ´¼ì²é MySQL ·þÎñÆ÷ÊÇ·ñÕýÔÚÔËÐУº
sudo netstat -tap | grep mysql
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tcp 0 0 localhost.localdomain:mysql *:* LISTEN -
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sudo /etc/init.d/mysql restart
½øÈëmysql
mysql -uroot -p
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sudo mysqladmin -u root password newpassword
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mysql root ÃÜÂëÍü¼Ç£¿£¿£¿£¿

½ñÌì¸øÐÂÀ´µÄÔ±¹¤Á¬½ÓÊý¾Ý¿â£¬ÐÞ¸ÄÁËÒ»ÏÂmysql rootÓû§µÄÃÜÂ룬ÎÒÏÂÔØµÄÊÇ´ò°üµÄredMine£¬Ä¬ÈÏÃÜÂëÊǿգ¬ÐÞ¸ÄÃÜÂëÖ®ºóÖØÆôredmine£¬phpAdmin Á´½Ó²»ÉÏmysqlÊý¾Ý¿âÁË£¬ÎÒÒ²ÐÞ¸ÄÁËphpadminÎļþ¼ÐϵÄconfig.inc.phpµÄÃÜÂ룬»¹ÊDz»ÐУ¬Ìáʾ#1130 - Host 'localhost' is not allowed to connect to this MySQL server´íÎó£¬Ã÷ÏÔ²»ÊÇÃÜÂëÎÊÌâ°¡£¬Èç¹ûÊÇÃÜÂë´íÎóµÄ»°»áÌáʾ#1045 - Access denied for user 'root'@'localhost' (using password: YES)´íÎóµÄ£¬
ÎÒÉÏÍøËÑÁ˺ܶà½â¾ö·½°¸£¬Ã»ÓÐÒ»¸öÄÜ˵Ã÷°×µÄ£¬ËùÒÔ×Ô¼º½â¾öÁËһϣ¬Ê×ÏȰÑmysql/data/mysqlÎļþ¼ÐϵÄuser.frm+user.MYD+user.MYIÈý¸öÊý¾Ý¿âÎļþÓÃÎÒÔÚÁíһ̨»úÆ÷Éϰ²×°µÄÌæ»»µô£¬¹âÌæ»»µôÕâЩÊDz»Ðеģ¬ÔÙÀ´ÔÚmysql/dataĿ¼ÏÂÌæ»»µôib_logfile0ºÍib_logfile1Îļþ£¬µ½´ËΪֹ£¬ÕâÑùÓлص½ÁËûÓÐÐÞ¸ÄÃÜÂë֮ǰ£¬
......

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mysql error number 2003   
Can't connect to MySQL server xxx.xxx.xxx.xxx (10061)
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grant all on *.* to 'remote'@'172.16.21.39' identified by 'password';
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grant all on *.* to 'root'@'%' identifiied by 'rootµÄÃÜÂë'
¸ñʽ£ºgrant select on Êý¾Ý¿â.* to Óû§Ãû@µÇ¼Ö÷»ú identified by "ÃÜÂë"
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1¡£ ¸Ä±í·¨¡£¿ÉÄÜÊÇÄãµÄÕʺŲ»ÔÊÐí´ÓÔ¶³ÌµÇ½£¬Ö»ÄÜÔÚlocalhost¡£Õâ¸öʱºòÖ»ÒªÔÚlocalhostµÄÄÇ̨µçÄÔ£¬µÇÈëmysqlºó£¬¸ü¸Ä "mysql" Êý¾Ý¿âÀïµÄ "user" ±íÀïµÄ "host" Ï´Ó"localhost"¸Ä³Æ"%"
mysql -u root -pvmwaremysql>use mysql;mysql>update user set host = '%' where user = 'root';mysql>select host, user from user;
2. ÊÚȨ·¨¡£ÀýÈ磬ÄãÏëmyuserʹÓÃmypassword´ÓÈκÎÖ÷»úÁ¬½Óµ½mysql·þÎñÆ÷µÄ»°¡£
GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'%' IDENTIFIED BY 'mypassword' WITH GRANT OPTION;
Èç¹ûÄãÏëÔÊ ......
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