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.

Logical data model Logical data models detail how entities in the conceptual model map to tables, fields, indexes and relationships within a relational database.

When databases are built from a well-designed data model, the resulting structures provide increased value to the organization. The value derived from the data model exhibits itself in the form of ...

Data analysts can help build accessible and effective data models by defining business requirements, working with IT and data scientists, and testing data model results.

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 ...

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 ...