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.

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 ...

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.

For example, a logical model might define what happens with a specific piece of data when specific events or circumstances occur. Physical data models refers to the actual implementation of a ...

One might be kind when confronted with a data model where everything has a generated primary key and assume such models are physical-only data models. And further assume that were someone to make an ...

Logical data models detail how entities in the conceptual model map to tables, fields, indexes and relationships within a relational database. For example, a relational table may represent an ...

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 ...

Navicat Data Modeler is a powerful, cost-effective data modeling and design tool that enables you to create high-quality conceptual, logical and physical data models for a number of use cases. You can ...

A guide to the 10 most common data modeling mistakes Your email has been sent Data modeling is the process through which we represent information system objects or entities and the connections ...

"Using the Teradata Utilities Logical Data Model, one large North American energy provider captured the recommended data and has already identified more than $10 million in recoverable revenue from ...