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<?php
$hostname="datahost";
$dbuser="sa";
$dbpasswd="123";
$dbname="tempdb";
$conn=mssql_connect($hostname,$dbuser,$dbpasswd);
mssql_select_db($dbname);
$t_name="my_table";
$c_t="drop table $t_name";
$result=mssql_query($c_t,$conn);
if ($result)
{
  echo"<font color=#666666>ÒѾ­³É¹¦É¾³ýÊý¾Ý¿â</font><strong><font color=green>".$dbname."</font></strong><font color=#666666>Öеıí</font><strong><font color=green>".$t_name."</font></strong>";
}
else
{
 echo"<font color=red>ÔÚɾ³ý±íʱ³ö´í£¬Î´³É¹¦É¾³ý£¡</font>";
}
mssql_close($conn);
?>
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windowsÏÂPHP5+APACHE+MYSQLÍêÕûÅäÖÃ

Èí¼þ°æ±¾:
php-5.2.13-Win32
apache_2.2.9-win32-x86-no_ssl-r2.msi(×¢Ò⣺APACHE 2.2.X°æ±¾ÒÔÉÏÒªÔö¼Ó²å¼þ²ÅÖ§³ÖPHP 5µÄ)
mysql-5.1.44-win32.msi
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°²×°»·¾³£ºVMware Workstation 5.5.0 build-18463
Linux°æ±¾£ºRed Hat Enterprise Linux AS (2.6.9-42.EL)
Èí¼þ°æ±¾£ºMySQL5 - mysql-5.0.37.tar.gz
¡¡¡¡¡¡¡¡¡¡Apache2 - httpd-2.2.4.tar.gz
¡¡¡¡¡¡¡¡¡¡PHP5 - php-5.2.1.tar.gz
¡¡¡¡¡¡¡¡¡¡(½«ÒÔÉÏÎļþ±£´æÖÁ/home/tmpĿ¼)
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# cd /home/tmp (½øÈëѹËõ°ü ......

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1 MYSQLÖеÄ×Ö·û¼¯¸ÅÄî
  MysqlµÄ×Ö·û¼¯ÀïÓÐÁ½¸ö¸ÅÄһ¸öÊÇ"Character set£¨×Ö·û¼¯£©"£¬ÁíÒ»¸öÊÇ"Collations"¡£
1.1 Collations
  Collations·­³ÉÖÐÎÄÊÇ"УÑé"£¬ÔÚÍøÒ³¿ª·¢µÄ¹ý³ÌÖУ¬Õâ¸ö´Ê»ã£¬Ö»ÔÚMysqlÀïʹÓã¬Ö÷Òª×÷ÓÃÊÇÖ¸µ¼Mysql¶Ô×Ö·ûµÄ±È½Ï£¬±ÈÈ磬 ASCII×Ö·û¼¯ÀCol ......

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1. ÓÃPHP´òÓ¡³öǰһÌìµÄʱ¼ä£¬´òÓ¡¸ñʽÊÇ2007Äê5ÔÂ10ÈÕ 22:21:21
2. PHP´úÂëÈçÏ£º
$a="hello"; 
$b=&$a;
unset($b);
$b="world"; 
echo $a;
Æä½á¹ûÊÇ£¿
3. PHP´úÂëÈçÏ£º
$str="cd"; 
  $$str="landog";  
$$str.="ok";
echo $cd;
Æ ......

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¹ØÓÚ¶Ô±äÁ¿£¬º¯Êý»òÕßÀàµÄÒýÓò»¶à˵£¬µ«ÒªËµÒ»ÏÂunsetÒ»¸öÒýÓã¬Ê¾Àý£º
<?php
$a = "hello";
$b =&$a;
unset($b);
echo '$a:'.$a;
//output:$a:hello
?> ......
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