Web application/database development tool. Qilan is a web application development tool and a database development tool. Currently 10 database products are supported. Qilan enables web sites to communicate with single or multiple \\backend\\ data sources. The Qilan graphic environment builds query and report logic that reside on the web server. This logic is applied across supported database vendor products. \\Write one question and ask multiple databases\\. Queries can be sent to one or many databases over the Internet, and the results displayed on a single web page. Qilan driven web pages can perform updates, data transfers, and data synchronization between databases. Qilan is an ideal tool to build secure eCommerce and commercial quality data-driven web sites.