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.

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.

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 ...

The success or failure of your data modeling efforts is directly linked to this rationalizing of the business. A data model that accurately describes the organization will be considered good and ...

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 ...

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 ...

"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 ...

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 ...