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...
40 KB (5,059 words) - 23:27, 29 May 2024
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...
24 KB (2,809 words) - 07:18, 1 August 2024
data model (SDM) is a high-level semantics-based database description and structuring formalism (database model) for databases. This database model is...
11 KB (1,473 words) - 03:18, 26 March 2024
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...
32 KB (4,050 words) - 22:40, 2 June 2024
Within data modelling, cardinality is the numerical relationship between rows of one table and rows in another. Common cardinalities include one-to-one...
7 KB (629 words) - 12:24, 20 May 2024
common data model (CDM) can refer to any standardised data model which allows for data and information exchange between different applications and data sources...
10 KB (1,069 words) - 00:35, 27 February 2024
A geographic data model, geospatial data model, or simply data model in the context of geographic information systems, is a mathematical and digital structure...
40 KB (5,278 words) - 14:13, 2 September 2023
erwin Data Modeler (stylized as erwin but formerly as ERwin) is computer software for data modeling. Originally developed by Logic Works, erwin has since...
16 KB (1,520 words) - 18:20, 28 February 2023
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...
6 KB (687 words) - 20:10, 25 August 2024
Data analysis is the process of inspecting, cleansing, transforming, and modeling data with the goal of discovering useful information, informing conclusions...
86 KB (9,552 words) - 09:31, 30 July 2024
The relational model (RM) is an approach to managing data using a structure and language consistent with first-order predicate logic, first described in...
30 KB (4,208 words) - 18:40, 3 August 2024
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...
3 KB (364 words) - 16:23, 13 June 2024
Generic data models are generalizations of conventional data models. They define standardised general relation types, together with the kinds of things...
8 KB (1,097 words) - 19:48, 27 January 2024
standard data model or simply standard data model is a data model that is widely used in a particular industry. The use of standard data models makes the...
4 KB (505 words) - 08:00, 7 August 2024
logical model database tables is sometimes referred to as a HasAndBelongsToMany (HABTM) relationship. Associative entity One-to-one (data model) One-to-many...
2 KB (204 words) - 11:07, 6 April 2024
Conceptual schema (redirect from Conceptual data model)
A conceptual schema or conceptual data model is a high-level description of informational needs underlying the design of a database. It typically includes...
6 KB (833 words) - 16:19, 22 August 2024
object-role modeling, and the Unified Modeling Language (UML). Data flow modeling (DFM) is a basic conceptual modeling technique that graphically represents...
32 KB (4,072 words) - 04:28, 5 August 2024
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...
21 KB (2,959 words) - 17:09, 6 August 2024
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...
66 KB (9,728 words) - 21:40, 18 June 2024
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...
2 KB (253 words) - 17:16, 31 March 2024
Data-driven models are a class of computational models that primarily rely on historical data collected throughout a system's or process' lifetime to...
6 KB (806 words) - 18:54, 23 June 2024
processes. Consequently, the ER model becomes an abstract data model, that defines a data or information structure that can be implemented in a database...
33 KB (4,182 words) - 17:09, 3 May 2024
Model collapse refers to a phenomenon where machine learning models gradually degrade due to errors coming from uncurated training on synthetic data, meaning...
15 KB (2,328 words) - 04:51, 12 August 2024
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...
38 KB (4,883 words) - 18:54, 10 May 2024
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...
13 KB (1,788 words) - 18:29, 11 August 2024
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)...
13 KB (1,839 words) - 03:14, 9 November 2023
Core architecture data model (CADM) in enterprise architecture is a logical data model of information used to describe and build architectures. The CADM...
13 KB (1,703 words) - 22:19, 16 June 2023
Database design (section Conceptual data modeling)
is the organization of data according to a database model. The designer determines what data must be stored and how the data elements interrelate. With...
14 KB (1,813 words) - 22:32, 18 May 2024
network model was adopted by the CODASYL Data Base Task Group in 1969 and underwent a major update in 1971. It is sometimes known as the CODASYL model for...
5 KB (568 words) - 15:22, 14 December 2023