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 ...

A logical data model is required before you can even begin to design a physical database. Assuming that the logical data model is ... For example, a character data type could be specified as CHAR(25), ...

How to implement a logical data model Part one of a two-part article describes how to create a logical model. Written by Susan Harkins, Contributor and Arthur Fuller, Contributor Aug. 18, 2002 at ...

The logical data model contains more detail than the conceptual data model and includes all the entities, relationships, attributes and rules that apply to the data. This type of model is used to ...

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 ...

Teradata Corporation, a company focused on big data analytics, data warehousing and integrated marketing management, announced the general availability of a new Medicaid Logical Data Model (MC-LDM ...

"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 ...