Common - Shared Enterprise Database:

The integrated enterprise system is supported by a central database that is also known as enterprise databases. It acts like the heart of the enterprise's model. Information is stored, updated, retrieved and managed in this portion. It draws data from and feeds data into several enterprise applications that support different functions. Single database decrease information time-lag, reduces distortion in information, instant updating, incraesed reliability and streamlined flow of information .

 Figure: Anatomy of an Enterprise System