In the simplest terms, a logical data model is a visual representation of the business rules and requirements covering the universe-of-discourse for a given solution or enterprise, along with some ...

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 ...

DBA Corner DBA Corner focuses on issues of interest to data architects, database analysts and database administrators. Issues addressed by the column include data modeling and database design, ...

This approach features a centralized database linked to other data stores with a common data model that carries information from one point to another, without the need to rewrite code.

The simplest type of a database model would have one table with all possible descriptive attributes of any type of asset. But this would not be efficient for broadcasters because the fields necessary ...

This paper presents a critique of expected utility theory as a descriptive model of decision making under risk, and develops an alternative model, called prospect theory. Choices among risky prospects ...