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9.1

Check a second database if the first database fails to return a value.

Asked by GSIAdmin in PHP Scripting Language, PHP and Databases, PHP Frameworks

Tags: PHP, MSSQL

I have two databases on the same server as it stands I query one of the databases and get a return based on the card number of minutes available on the card. I am now being asked to query the second database for the card number if the search in the first database comes up empty. I have provided my current code below.

What do I need to change in order to check the second database if the first query does not find the card? 
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<form name="form" action="verify.php" method="get">
      <span class="style3"><span class="style10">.........</span>Enter Card Number:</span>
      <input name="d" type="text" size="20" />
      <input type="submit" name="submit" value="Enter" />
  </form>
    <p>&nbsp;</p>
    <p>
<?php
$myServer = "***.**.***.**";
$myUser = "*******";
$myPass = "*******";
$myDB = "InternetServices";
 
//connection to the database
$dbhandle = mssql_connect($myServer, $myUser, $myPass)
  or die("Couldn't connect to SQL Server on $myServer");
 
$userQuery = $_GET['d'];// user will enter the area code in the form to find city, tele number
// $userQuery = "971"; // default u can set here and uncomment this line
 
 
//declare the SQL statement that will query the database
$query = "SELECT AMT, Card_No ";
$query .= "FROM [InternetCards] ";
$query .= "WHERE Card_No ='$userQuery'";
 
$result = mssql_query($query);
$numRows = mssql_num_rows($result); 
 
while($row = mssql_fetch_array($result))
{
  echo "<h4><center><li>" . "You have " . $row ["AMT"]*20 . " minutes left on your card. </h4></center></li>";
 }
mssql_close($dbhandle);
 
?>
[+][-]10/28/09 10:55 AM, ID: 25686185Accepted Solution

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About this solution

Zones: PHP Scripting Language, PHP and Databases, PHP Frameworks
Tags: PHP, MSSQL
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Solution Provided By: AielloJ
Participating Experts: 3
Solution Grade: A
 
[+][-]10/28/09 10:56 AM, ID: 25686202Assisted Solution

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[+][-]10/28/09 11:02 AM, ID: 25686280Assisted Solution

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