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¼¸ÌìÑо¿Á˺þã¬ÖÕÓÚ±»ÎÒÖªµÀÁËÈçºÎÔÚLinuxϰ²×°mysqlµÄ¶þ½øÖÆÔ´´úÂë°ü£¬×îÖÕ½â¾öÁËERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)µÄȨÏÞÎÊÌâ£¬ÕæµÄÊǸп®Íò·Ö°¡£¬Ö»Ïë°ÑËûд³öÀ´£¬ÈÃ×Ô¼ºÒÔºó²»ÒªÍü¼ÇÁË£¬ºÃÁË£¬·Ï»°²»¶à˵ÁË£¬¿´¿´Îҵݲװ²½Öè°É£¡
1.ÏÂÔØmysql-5.0.51a-linux-i686-glibc23.tar.gz£¬ÏÂÔØµØÖ·Îªhttp://download.unix-center.net/ ... i686-glibc23.tar.gz
2.°ÑÏÂÔØµÄÎļþ·ÅÔÚÄãµÄÖ÷Ŀ¼£¬ÔÚÖÕ¶ËÊäÈëls,ÈçÏÂ:
[root@localhost mysql]# ls
Desktop  Documents  Download  Music  mysql-5.0.51a-linux-i686-glibc23.tar.gz  Pictures  Public  Templates  Videos
3.È»ºóÓÃtar -zxvf mysql-5.0.51a-linux-i686-glibc23.tar.gzÃüÁî½âѹµ½µ±Ç°Ä¿Â¼£¬ÈçÏ£º
[root@localhost mysql]# tar -zxvf mysql-5.0.51a-linux-i686-glibc23.tar.gz
[root@localhost mysql]# ls
Desktop    Download  mysql-5.0.51a-linux-i686-glibc23         Pictures  Templates
Documents  Music     mysql-5.0.51a-linux-i686-glibc23.tar.gz  Public    Videos
4.ÒòΪÓõÄÊÇÔ´´úÂ룬ËùÒÔÒª°ÑÎļþcopyµ½°²×°Ä¿Â¼/usr/local/Ï£¬²ÅÄÜÔËÐÐ!
[root@localhost mysql]# cp –rf mysql-5.0.51a-linux-i686-glibc23 /usr/local/
5.²é¿´ÏµÍ³ÓÐûÓа²×°¹ýmysql,²éÕÒrpm,ÈçÏÂ:
[root@localhost mysql]# rpm –qa | grep mysql
ÓеĻ°Ò»¸öÒ»¸öɾ³ýµô£¬ÓÃrpm -eÃüÁî,È»ºó²éÕÒһϲÐÁôµÄÎļþ:
[root@localhost mysql]# cd /
[root@localhost /]# find / -name mysql
Èç¹û²éÕÒµ½rm -rf filenameɾ³ý.
[root@localhost /]# find / -name my.cnf
Èç¹û²éÕÒµ½É¾³ý£¬Ò»°ãmy.cnfÊÇÔÚ/etc/my.cnfÕâÀï.
6.Á´½Óµ½mysql,ÈçÏ£º
[root@localhost /]# cd /home/mysql
[root@localhost mysql]# ln -s mysql-5.0.51a-linux-i686-glibc23 /usr/local/mysql
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[root@localhost mysql]# cd /usr/local/mysql
[root@localhost mysql]# scripts/mysql_install_db --user=mysql
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[mysqld]
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basedir=...\mysql
datadir=...\mysql\data
my.iniÎ ......

mysql maatkit¹¤¾ß°²×°ºÍʹÓÃ(Ò»)

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1. sudo yum install mysql
2. sudo yum install mysql-server
3. wget http://maatkit.googl ......

MySqlÊý¾Ý¿âÖØÉèÃÜÂë

1. ¹ØµôMysql·þÎñ
2.н¨Ò»¸öÎı¾Îļþ£¬ÄÚÈÝÈçÏ£º
UPDATE mysql.user SET Password=PASSWORD('NewPassword') WHERE User='root';
FLUSH PRIVILEGES;
×¢Ò⣺һ¶¨Òª·ÖÁ½ÐÐд£¬"NewPassword"ΪÄãµÄÐÂÃÜÂë
3. ±£´æÎļþ£¬²¢°ÑËü·ÅÔÚCÅ̸ùĿ¼Ï£¬ÎļþÃûΪ"mysql-init.txt"£ºC:\mysql-init.txt
 
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JAVAÁ¬½ÓACCESS£¬SQL Server,MySQL,Oracle

import java.sql.*;
/*
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public class JDBC {
  
public static void main(String[] args)throws Exception {
  
   Connection conn=null;
  
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