here is a sample script i use to check for images in a products db. it has connect, and a select statement. this might help.
<?php
define('DB_SERVER', 'localhost');
define('DB_SERVER_USERNAME', 'username');
define('DB_SERVER_PASSWORD', 'password');
define('DB_DATABASE', 'dbname');
$dblink=mysql_connect(DB_SERVER,DB_SERVER_USERNAME,DB_SERVER_PASSWORD) or die('Database server unavailable. '.mysql_error());
mysql_select_db(DB_DATABASE,$dblink) or die ('Database server unavailable. '.mysql_error());
$query='SELECT * FROM products ORDER BY id';
$i=0;
if($result=mysql_query($query,$dblink)){
while($row=mysql_fetch_array($result,MYSQL_ASSOC)){
if(file_exists(stripslashes($row['thumbnail']))==false){
echo stripslashes($row['id']).' missing thumbnail.<br />';
$i++;
}
if(file_exists(stripslashes($row['image']))==false){
echo stripslashes($row['id']).' missing image.<br />';
$i++;
}
}
} else {
echo mysq;_error();
}
echo '<br />missing '.$i.' image(s)';
?>