Data Modeling needs to be created for system requirements as it is important to identify data specific requirements. Data Models are important in understanding the inputs that are necessary for and helps determine the location of the data source and the categories of data needed for a specific system design.
Acolyst’s analysts utilizes its partner CA ERwin Data Modeling tool to help determine which data schema objects and abstractions are needed and their respective relationships based on a conceptual design. These are facts, attributes, and hierarchies.
As business needs are becoming more complex and organizations go through business process improvement and changes it is important to ensure that the data architects are utilizing a robust and comprehensive industry leading data modeling tool. http://erwin.com/














