JCOM_V3_N3_RP1 Sarmad M Hadi Journal on Computer Science 2347–6141 3 3 1 4 Web Application, Response Time, MY-SQL, Microsoft Access, PHP, Database Data source represents the core part of any application. Web application can get the benefit of multiple data sources at the same time. This paper, focuses on delivering a platform independent application. Web applications are popular due to the ubiquity of web browsers, and the convenience of using a web browser as a client to update and maintain web applications without distributing and installing software on potentially thousands of client computers is a key reason for their popularity. This paper compares two different sources, Microsoft access database and MY-SQL data source. The comparison has been made according to the simplicity of the design of both the systems and performance. PHP has been used to build and produce both systems, and WAMP server has been used to test the systems provided in this paper along with a mid-range computers. This paper, shows in practice that the PHP-MYSQL “couple” still applicable and usable and has the both free and fast benefits. September - November 2015 Copyright © 2015 i-manager publications. All rights reserved. i-manager Publications http://www.imanagerpublications.com/Article.aspx?ArticleId=3659