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 evaluation of solutions performed against the canonical data model, whether those solutions are being designed or considered for purchase, is a qualitative one. There is no expectation that the ...

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 ...