Now that you have completed the basic example presented in this guide, you are ready to start designing your own application. Although, most applications built upon Amazon SimpleDB are not as simple as the example in this guide, the principles used in the example can be readily applied to more complex applications.
There are many paths through the Amazon SimpleDB API. The following is a list of typical tasks you can accomplish with this API.
Create a new domain, list existing domains, or delete domains
Create and modify items within a domain
Delete items within a domain
Query items within a domain
All of these tasks and more are described in the Amazon SimpleDB Developer Guide. That guide also includes information about joining Amazon SimpleDB developer forums where you can ask questions and get answers.