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php PDO Á´½Ó mysql ×î¼òµ¥ ʵÀý

define("DB_SERVER","127.0.0.1");
define("DB_PORT",3306);
define("DB_CATALOG","uab");
define("DB_USERID","root");
define("DB_PASSWORD","");
$dsn="mysql:host=".DB_SERVER.";port=".DB_PORT.";dbname=".DB_CATALOG;
self::$__PDO=new PDO($dsn, DB_USERID, DB_PASSWORD);
//support long connection
self::$__PDO=new PDO($dsn, DB_USERID, DB_PASSWORD, array(PDO::ATTR_PERSISTENT => true)); 


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PHPÖеÄħÊõ·½·¨

PHPÖÐÓÐÏÂÁгÆÖ®ÎªÄ§Êõ·½·¨(magic method)µÄº¯Êý:__construct, __destruct ,
__call, __callStatic,__get, __set, __isset, __unset , __sleep, __wakeup,
__toString, __set_state, __clone and __autoload,±¾ÎÄʹÓÃ__callΪʵÏÖÒ»¸öÉí·ÝÑéÖ¤µÄ¼òµ¥ÊµÀý£¬´úÂëÈçÏ£º ´úÂë<?php
    interfa ......

MsSQL,MySQL,Oracle,Êý¾Ý¿âÁ¬½Ó×Ö¶Î

Ms sql 2000
drivername=com.microsoft.jdbc.sqlserver.SQLServerDriver
url=jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=books
username=sa
password=sa
MySQL
drivername=com.mysql.jdbc.Driver
url=jdbc:mysql://localhost/books
username=root
password=root
Oracle
drivername=orac ......

IIS6.0+PHP+MYSQLÅäÖÃ

Win2003server Ï¼ÜÉèPHPWind²úÆ·»·¾³
°²×°Ç°×¼±¸:1¡¢°²×°ºÃiis6
            
             
            
&nbs ......

mysqlË÷Òý

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1. ÆÕͨË÷Òý
ÆÕͨË÷Òý(Óɹؼü×ÖKEY»òINDEX¶¨ÒåµÄË÷Òý)µÄΨһÈÎÎñÊǼӿì¶ÔÊý¾ÝµÄ·ÃÎÊËÙ¶È¡£Òò´Ë£¬Ó¦¸ÃֻΪÄÇЩ×î¾­³£³öÏÖÔÚ²éѯÌõ¼þ(WHERE column = …)»òÅÅÐòÌõ¼þ(ORDER BY column)ÖеÄÊý¾ÝÁд´½¨Ë÷Òý¡£Ö»ÒªÓпÉÄÜ£¬¾ÍÓ¦¸ÃÑ¡ÔñÒ»¸öÊý¾Ý×îÕûÆë¡¢×î½ô´ÕµÄÊý¾ÝÁÐ(ÈçÒ»¸öÕûÊýÀàÐ͵ÄÊý¾ÝÁÐ)À ......

MySQL³£ÓÃÓï¾ä

/*²éѯÊý¾Ý¿â*/
show databases;
/*´´½¨Êý¾Ý¿â*/
create database dengheping;
/*ʹÓÃÊý¾Ý¿â*/
use dengheping;
/*´´½¨±í*/
create table user(id int primary key auto_increment,name char(255));
/*²éѯ±í*/
show tables;
/*ÏÔʾ±í½á¹¹*/
desc user;
/*²åÈë×Ö¶Î*/
alter table user add password varchar(6 ......
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