Use cases have quickly become a widespread practice for capturing functional requirements. This is especially true in the object-oriented community where they originated, but their applicability is not limited to object-oriented systems....   Read Article.

this article email this article to a colleague suggest an article Part Two - Implementing the Data Model In the last article , we learned about the reasons for and against a normalized data model. We discussed he basic design of a normalized model versus a non-normalized model. We talked in abstract terms and in generalizations. In this article,...   Read Article.

Introduction This document is an informal introduction to data modeling using the Entity-Relationship (ER) approach. It is intended for someone who is familiar with relational databases but who has no experience in data modeling. The basic techniques described are applicable to the development of microcomputer based relational database applications...   Read Article.