SQL Designer Technical Summary
SQL Designer is a 100%.Net (1.1 and 2.0) component
for you to include in your Winforms applications to enable end users to generate SQL. 
An Overview of SQL Designer
The 10,000 foot view.
SQL Designer Screen Shots
Take a look at the SQL Designer user interface at work.
Pricing, Licensing & Purchase
SQL Designer is a royalty free, per developer licensed .Net component.
Download
Try out SQL Designer. It is available for download as a fully functional component for a 45 day trial. The download also includes fully functional sample application and source for Visual Studio 2003 and 2005 environments.