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mysql>use mysql;
mysql>update user set host='%' where user='root';
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sudo /etc/init.d/mysql restart
[sudo] password for wangzw:
*Stopping MySQL database server mysqld                          [OK]
*Starting  MySQL database server mysqld                          [OK]
*Checking for corrupt, not cleanly closed and updatade needing tables.


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 MySQL:select md5('123456')
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ʹÓÃÃÜÂëµÇ¼:  mysql -u root -p
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ÏÔʾ±í:  show tables;
ÏÔʾ±í½á¹¹:  descibe ±íÃû;
Ô¶³ÌµÇ¼mysqlÐèÒª¿ªÆôÈ ......

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