Engineering

Introduction to Data Modelling

Introduction to Data Modelling

Principle objective of this lecture is to presentation on Introduction to Data Modelling. Data modeling in software engineering will be the process of developing a data model on an information system by utilizing formal data modeling strategies. Here explain aim of Data Modelling: it is form a model of the enterprise so that the data are accurate and useful and most important step in database design. It requires a good understanding of enterprise being modeled. Finally describe bifferent methods of data modeling and Entity-Relationship (E-R) model.