Entity – Relationship Model
Filed Under Uncategorized | Posted on August 7, 2009
The entity-relationship (ER) data model allows us to describe the data involved in a real-world enterprise in terms of objects and their relationships and is widely used to develop an initial database design. The ER model is important primarily for its role in database design. It provides useful concepts that allow us to move from [...]
Conceptual Data Models for Database Design
Filed Under Uncategorized | Posted on August 7, 2009
Conceptual modeling is an important phase in designing a successful database application. The database design process consists of a number of steps listed below: Step 1: Requirements Collection and Analysis – Prospective users are interviewed to understand and document data requirements This step results in a concise set of user requirements, which should be detailed [...]
