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.

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 ...

Teradata, a division of NCR Corporation, has announced the launch of the Teradata Communications Logical Data Model (LDM) Version 5.0. NCR is represented in South Africa by National Data Systems ...