Logical Schema A logical data model or logical schema is a representation of the abstract structure of the information domain that defines all the logical constraints applied to the data stored. A ...

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.

Occasionally one may hear that a data model is 'over-normalized,' but just what does that mean? Normalization is intended to analyze the functional dependencies across a set of data. The goal is to ...

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 ...

These top data modeling tools and applications enable users to build conceptual and logical data models that deliver significant competitive advantage.

Data modeling best practices give structure and direction to an organization's data. Read more about data modeling now.

A logical database can stretch over multiple physical hard disks and information files. The data storage unit is still a single database for information retrieval purposes.

MISMO, the standards development body for the mortgage industry released its logical data model as the next generation of the MISMO data exchange, according to a press release.

Teradata launches Communications Logical Data Model Version 5.0 Logical data model provides underlying structure for communication companies` customer relationship management information needs ...