mysql php链接mysql数据库并作简单的查询

[php]代码库

<?php
$UserName = 'abc';
$Password = '1234';
$DbHandle = mysql_connect ('localhost', $UserName, $Password);
if (!$DbHandle) {
  die 'No database connection could be established.';
}

$DBName = 'w3db;
if (!mysql_select_db ($DBName, $DbHandle)) {
  die 'Database could not be selected.';
}
?>