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package mypackage;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Statement;
public class ConToDBTest {
public static void main(String[] args) {
String user="root"; //Óû§Ãû
String pass="root"; //ÃÜÂë
String dbName="test"; //Êý¾ÝÔ´Ãû
String tableName="student"; //±íÃû
String driver="com.mysql.jdbc.Driver"; //Êý¾Ý¿âÇý¶¯³ÌÐò
String url="jdbc:mysql://localhost:3306/"+dbName;//Áª½á·¾¶
String sqlStr; //SQLÓï¾ä
Connection con=null; //Á¬½Ó¶ÔÏó
Statement stmt=null; //Óï¾äÈÝÆ÷
ResultSet rs=null; //½á¹û¼¯
try{
Class.forName(driver); //¼ÓÔØÇý¶¯
con=DriverManager.getConnection(url,user,pass); //Á¬½ÓÊý¾Ý¿â
stmt=con.createStatement(); //´´½¨ÈÝÆ÷

//ÔÚ±ístudentÖвåÈë¼Ç¼
sqlStr="insert into "+tableName+" values('000099988','zhangli',21)";
stmt.executeUpdate(sqlStr);

//²éÕÒ±ístudentÖеļǼ
sqlStr="select * from "+tableName;
rs=stmt.executeQuery(sqlStr);

ResultSetMetaData rsmd=rs.getMetaData();//»ñȡԪÊý¾Ý
//ÏÔʾÊôÐÔÃû
int j=0;
j=rsmd.getColumnCount();
for(int k=0;k<j;k++){
System.out.print(rsmd.getColumnName(k+1));
System.out.print("\t");
}
System.out.print("\n");
//ÏÔʾ¼Ç¼
while(rs.next()){
for(int i=0;i<j;i++){
System.out.print(rs.getString(i+1));
Sys


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MySQL¸ßЧÔËÐбر¸£º¼òµ¥µÄ֪ʶ½ÌÄã¸ßЧÔËÓÃË÷Òý

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CREATE TABLE mytable(
ID INT NOT NULL,
username VARCHAR(16) NOT NULL
);
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ÔÚ²éÕÒusername="admin"µÄ¼Ç¼ SELECT * from mytable WHERE username='admin';ʱ£¬Èç¹ ......

Linux ƽ̨Ï MYSQL°²×° Æô¶¯ mysqlÃüÁî

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//½âѹ±àÒë°²×°
# tar xzvf mysql-5.0.27.tar.gz
# cd mysql-5.0.27
# ./configure -prefix=/home/redadmin/mysql
# make
# make install
# cd /home/redadmin/mysql/
# cp share/mysql/my-medium.cnf ./
# mv my-medium.cnf my.cnf
// my.confÎļþÐÞ¸Ä
# vi my.cnf
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port  &nb ......

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
 
4. ´ò¿ªcmd´°¿Ú£¬Êä ......

Ubuntu 8.04 vsftpd mysql pamµÄftp·þÎñÆ÷¶ËÎÞ´íÅäÖÃ

ÅäÖû·¾³:UUbuntu 8.04
1.°²×°vsftpd
sudo apt-get install vsftpd
2.´´½¨guestÓû§
vsftpd°²×°µÄʱºò»á×Ô¶¯°²×ªÒ»¸öftpÓû§£¬ÔÚpasswdÖÐɾ³ý
sudo useradd virtual
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sudo passwd virtual
±à¼­virtualÓû§µÄÖ÷Ŀ¼²¢ÉèÖÃshell
sudo vim /etc/passwd
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JAVAÁ¬½ÓACCESS£¬SQL Server,MySQL,Oracle

import java.sql.*;
/*
* JAVAÁ¬½ÓACCESS£¬SQL Server,MySQL,OracleÊý¾Ý¿â
*
* */
public class JDBC {
  
public static void main(String[] args)throws Exception {
  
   Connection conn=null;
  
       //====Á¬½ÓACCESSÊý¾Ý¿â ......
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