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Logical schema
A logical data model or logical schema is a data model of a specific problem domain expressed independently of a particular database management product
Data modeling
data model may require multiple logical data models. The last step in data modeling is transforming the logical data model to a physical data model that
Data model
conceptual data model. Such a design can be detailed into a logical data model. In later stages, this model may be translated into physical data model. However
Logical model
Logical model can refer to: A model in logic, see model theory In computer science a logical data model
Entity–relationship model
integration. Logical data model A logical ER model does not require a conceptual ER model, especially if the scope of the logical ER model includes only
Data-flow diagram
another data-flow diagram, which subdivides this process into sub-processes. The data-flow diagram is part of the structured-analysis modeling tools. When
Many-to-many (data model)
by logical model database tables is sometimes referred to as a HasAndBelongsToMany (HABTM) relationship. Associative Entities One-to-one (data model) One-to-many
IDMS
network model from the earlier hierarchical model. As with records, each set belongs to a named set type (different set types model different logical relationships)
Database model
database model is a type of data model that determines the logical structure of a database and fundamentally determines in which manner data can be stored
Erwin Data Modeler
CASE tool). Users can utilize erwin Data Modeler as a way to take conceptual data model and create a logical data model that is not dependent on a specific