One of the most important steps in desiging a database is establishing the data model. Part one of a two-part article describes how to create a logical model.

Here's an example of a logic model, from the Washington State Department of Social and Health Services. This logic model was developed to address child abuse, a problem of great concern to Gov ...

A logic model helps us think through plans for a project. This often-overlooked step in the planning process should actually drive and focus proposal development. Sometimes called a Theory of Change, ...