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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
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)
Core architecture data model
Core architecture data model (CADM) in enterprise architecture is a logical data model of information used to describe and build architectures. The CADM
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
Data architecture
In information technology, data architecture is composed of models, policies, rules or standards that govern which data is collected, and how it is stored