Data Modeling

Data Modeling

Introduction

This article covers interesting facts about data modeling facility. This article also represents five basic purposes of data modeling and problems associated with data modeling. There is also an evaluation of Entity-Relationship and Unified modeling language. This article also represents the need to develop a new data model.

Discussion

A database models cover the perceptions of user of different objects in a business environment. Success and failures of databases depend upon the match of the user's perceptions. Deigns of databases which do not support user's perceptions are found too difficult to use. In some cases, when databases do not meet the ...