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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 ...
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 ...
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 ...
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 ...
Logical data model provides underlying structure for communication companies` customer relationship management information needs. By Alison Bull Communications. Johannesburg, 10 May 2001.