Logical data models detail how entities in the conceptual model map to tables, fields, indexes and relationships within a relational database. For example, a relational table may represent an ...

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.

The canonical data model is most often a normalized logical ERD, but not necessarily fully attributed. Primary Keys, when listed, should be natural keys. Non-key attributes included should only be ...

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A logical data model captures how a company conducts its business and how the data are organized for decision-making and analysis. The Utilities LDM also highlights data integrity problems, provides ...