A data model is a visual representation of data elements and the relations between them. Written by eWEEK content and product recommendations are editorially independent. We may make money when ...

However, within the logical data model the goal is to express the business rules and logic. Therefore, abstractions do not have to be avoided, but they should be used surgically. When an area of the ...

Physical: Design a model for implementing the logical model that considers the RDBMS to be used. During this phase, you’ll describe tables, indexes, and so on. The physical model is built on tables.

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 ...

This type of model is used to design the database. Physical data model The physical data model contains all the specifics about how the logical model will be implemented.

Teradata Corp. has introduced the Utilities Logical Data Model (uLDM). As a utility's business needs evolve, the Teradata uLDM helps customer adapt their data warehouse physical model to ensure the ...

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. The new model has the ...