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

Within the information systems field, the task of conceptual modeling involves building a representation of selected phenomena in some domain. High-quality conceptual-modeling work is important ...

Data Modeling: An Integrated View Data modeling is an essential technology for understanding relationships between data sets. The integrated view of conceptual, logical, and physical data models ...

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.

Data models are used to represent real-world entities, but often have limitations. Avoid common data modeling mistakes for data integrity.

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 ...