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 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 (SDM) is a high-level semantics-based database description and structuring formalism (database model) for databases. This database model is...

Within data modelling, cardinality is the numerical relationship between rows of one table and rows in another. Common cardinalities include one-to-one...

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 (CDM) can refer to any standardised data model which allows for data and information exchange between different applications and data sources...

A geographic data model, geospatial data model, or simply data model in the context of geographic information systems, is a mathematical and digital structure...

many-to-one relationship is sometimes notated as N:1. One-to-one (data model) Many-to-many (data model) "Three Relationship Types". RelationalDBDesign. 1 March...

A hierarchical database model is a data model in which the data are organized into a tree-like structure. The data are stored as records which are connected...

A standard data model is a data model that is widely used in a particular industry. The use of standard data models gives heterogeneous organizations a...

The relational model (RM) is an approach to managing data using a structure and language consistent with first-order predicate logic, first described in...

Data analysis is the process of inspecting, cleansing, transforming, and modeling data with the goal of discovering useful information, informing conclusions...

erwin Data Modeler (stylized as erwin but formerly as ERwin) is computer software for data modeling. Originally developed by Logic Works, erwin has since...

Generic data models are generalizations of conventional data models. They define standardised general relation types, together with the kinds of things...

logical model database tables is sometimes referred to as a HasAndBelongsToMany (HABTM) relationship. Associative entity One-to-one (data model) One-to-many...

Enterprise data modelling or enterprise data modeling (EDM) is the practice of creating a graphical model of the data used by an enterprise or company...

considerations, including data modeling, efficient data representation and storage, query languages, security and privacy of sensitive data, and distributed computing...

database model is a type of data model that determines the logical structure of a database. It fundamentally determines in which manner data can be stored...

entity–attribute–value model (EAV) is a data model optimized for the space-efficient storage of sparse—or ad-hoc—property or data values, intended for situations...

standard for generic data modeling language for product data. EXPRESS is formalized in the ISO Standard for the Exchange of Product model STEP (ISO 10303)...

object-role modeling, and the Unified Modeling Language (UML). Data flow modeling (DFM) is a basic conceptual modeling technique that graphically represents...

the data models is not one-to-one, because mothers may have more than one child, thus forming a one-to-many relationship. One-to-many (data model) Many-to-many...

processes. Consequently, the ER model becomes an abstract data model, that defines a data or information structure that can be implemented in a database...

A foundation model, also known as large AI model, is a machine learning or deep learning model that is trained on broad data such that it can be applied...

consistently. Provide a single common data model for all data of interest regardless of the data's source. Restructure the data so that it makes sense to the...

analysis and data modeling. When using UML, the activity diagram typically takes over the role of the data-flow diagram. A special form of data-flow plan is...

Core architecture data model (CADM) in enterprise architecture is a logical data model of information used to describe and build architectures. The CADM...

The Weather Information Exchange Model (WXXM) is designed to enable the management and distribution of weather data in digital format (XML). WXXM version...

Data-driven models are a class of computational models that primarily rely on historical data collected throughout a system's or process' lifetime to...

Toad Data Modeler is a database design tool allowing users to visually create, maintain, and document new or existing database systems, and to deploy changes...