1 Introduction to Data Modeling

Visual LANSA Logical Modeler

1. Introduction to Data Modeling

The LANSA Logical Modeler allows a system analyst to design and manipulate a complete logical data model using elements, entities and relationships and then allows a physical database to be built from this model.

This section defines what data modeling is, in relation to the LANSA Logical Modeling tool. It also describes how to normalize data prior to creating your model and your physical database files.

Even if you are familiar with data modeling, please review this chapter briefly:

If you are an experienced data modeler, it is strongly recommended that you review the 1.4 Conventions/Terminology to help you understand how to use the LANSA Logical Modeler.