Databases today are basic not only to corporate entities but also all kinds of businesses and professionals. Multiple and disparate users need to share data which is accurate, consistent and up-to-date in an efficient manner. With the electronic revolution that has taken place due to Internet and Web technologies, the need for organizing and storing data has only become more wide spread.

Here is a tool that would help you develop applications handling non-conventional, unstructured and large data in addition to conventional and structured data that fits a record-and-file metaphor.  

Information on Jtrieve