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  Classes of Pablo Gazmuri  >  RemoteSQL  >  README.TXT  >  Download  
File: README.TXT
Role: Documentation
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Description: Read me first
Class: RemoteSQL
Provides client-side access to server-side DB
Author: By
Last change: added newlines
Date: 12 years ago
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REMOTE SQL using php4 and VB6
Created by Pablo Gazmuri [pablo@gazmuri.net] in September 2002

Very special thanks to:
Mukul Sabharwal [mukulsabharwal@yahoo.com] for a PHP implementation of RC4
David Midkiff (mdj2023@hotmail.com) for a VB implementation of RC4
Klemens Schmid - http://www.schmidks.de/ for the XMLHTTP30 usage code

This Visual Basic and PHP combination allows you to remotely execute and 
retreive SQL queries to and from your online databases.  The VB code makes 
http requests to an online script (written in PHP) which executes your 
query and returns the result.  The queries and results are encrypted using 
rc4 encryption, which is now free for use (no patent fees apply), and the PHP 
script can be configured to only accept queries from a specific IP 
address.

This code provides the basis for building back-end client-side components 
(in VB of course).  The idea is that a VB application is much more 
responsive than web-based administration tools, and things like category 
or menu manipulation (via the VB tree view control) are much more user-friendly 
in a client-side app than in their cumbersome web-based 
counterparts.  The code could be extended to allow for binary data uploads 
as well, although a good VB FTP class could accomplish the same thing.

For those of you who abhor Microsoft, I apologize and invite you to create 
a Java client (I initially developed this for a larger VB App)

To use the VB portion of this project, you must add a reference to 
Microsoft XML version 3.0 (msxml3.dll) to the project file

Although the project references msxml3.dll, you will also need msxml3a.dll 
and msxml3r.dll installed to run this code.

You can download these .dll's from microsoft if they are not already on 
your system.

The PHP code is designed for use with a MySQL database, but could easily 
be modified for use with other databases.

NB - You need to set the encryption keys in both the VB source (Query.bas) 
and your PHP file (sql-link.php).  They must be the same string, and 
should not be words found in the dictionary.  The longer the string, the better the encryption.