Data modeling best practices give structure and direction to an organization's data. Read more about data modeling now.

Data modeling tools create a simple, easy-to-understand diagram of data flow. Explore the best software now.

Logical data model The logical data model contains more detail than the conceptual data model and includes all the entities, relationships, attributes and rules that apply to the data.

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.

Wilson and Cleary (1995) proposed a conceptual model of health-related quality of life (HRQOL) that integrates both biological and psychological aspects of health outcomes. There are five different ...