A data model is a visual representation of data elements and the relations between them. Written by eWEEK content and product recommendations are editorially independent. We may make money when ...

Normalization is intended to analyze the functional dependencies across a set of ... being abstract. Sometimes a data model may suffer from unconscious abstraction. The biases of a data modeler may ...

High-level versus ... fields of data are physically located in sectors on a disk. For example, to find out which customers ordered how many of a particular product, the logical view is customer ...