SQLite - LightWeight DB

SQLite is a software library that implements a self-contained, serverless,zero-configuration, transactional SQL database engine.It is opensource.

It is used by Firefox,Adobe,google,Microsoft etc

SQLite is different from most other SQL database engines in that its primary design goal is to be simple:

* Simple to administer
* Simple to operate
* Simple to embed in a larger program
* Simple to maintain and customize

It has Zero-Configuration, is Server Less ,Single Database File ,Stable Cross-Platform Database
File and gives easy user friendly APIs to write into and access from the database.

Situations Where SQLite Works Well

Embedded devices and applications
Websites
Replacement for ad hoc disk files
Low Concurrency

SQLite home page http://www.sqlite.org