Data and Process modelling
- similar
They are interdependent in analysis,the process of data is their core objective,they use the same data concepts,also,they are all around the data process.
- different
They have different functions and objectives:
data model describes how data is represented and accessed,its object is data,what is more,data model formally define data elements and relationships among data elements for a domain of interest.It explicitly determines the meaning of data.
process model describes the business logic which programmers use to write code modules rather than data description or defininition.It illustrates the functions associated with a process that are performance and the organizations that perform these functions.
