Data model
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Data model
A data model is an abstract model that organizes elements of data and standardizes how they relate to one another and to the properties of real-world...
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...
Conceptual model
object-role modeling, and the Unified Modeling Language (UML). Data flow modeling (DFM) is a basic conceptual modeling technique that graphically represents...
Cardinality (data modeling)
Within data modelling, cardinality is the numerical relationship between rows of one table and rows in another. Common cardinalities include one-to-one...
Data vault modeling
Datavault or data vault modeling is a database modeling method that is designed to provide long-term historical storage of data coming in from multiple...
Common data model
common data model (CDM) can refer to any standardised data model which allows for data and information exchange between different applications and data sources...
Semantic data model
data model (SDM) is a high-level semantics-based database description and structuring formalism (database model) for databases. This database model is...
Erwin Data Modeler
erwin Data Modeler (stylized as erwin but formerly as ERwin) is computer software for data modeling. Originally developed by Logic Works, erwin has since...
Data-driven model
Data-driven models are a class of computational models that primarily rely on historical data collected throughout a system's or process' lifetime to...
Database
post-relational. The two main early navigational data models were the hierarchical model and the CODASYL model (network model). These were characterized by the use...