Amazon SimpleDB vs. Oracle Database vs. QuintaDB vs. RazorSQL Comparison Chart

Amazon SimpleDB is a highly available NoSQL data store that offloads the work of database administration. Developers simply store and query data items via web services requests and Amazon SimpleDB does the rest. Unbound by the strict requirements of a relational database, Amazon SimpleDB is optimized to provide high availability and flexibility, with little or no administrative burden. Behind the scenes, Amazon SimpleDB creates and manages multiple geographically distributed replicas of your data automatically to enable high availability and data durability. The service charges you only for the resources actually consumed in storing your data and serving your requests. You can change your data model on the fly, and data is automatically indexed for you. With Amazon SimpleDB, you can focus on application development without worrying about infrastructure provisioning, high availability, software maintenance, schema and index management, or performance tuning.

QuintaDB is an online web form and database builder. You do not need to spend time learning any programming language or web frameworks. Create and customize forms, charts, maps in a few clicks and put them on your forum, blog or web page. Automate your business management. Full control over work on apps. Email and SMS notifications. Ability to specify conditional actions and conditional formatting. Customer portal. Storing data online in a relational database with a usable and effective interface, without the need to purchase your own server. 24-hour access to information from anywhere in the world. Integration of web forms, tables, graphs, maps as a widget on a web page, forum or blog. Wide opportunities for customization allows you to create an individual design of the widget.