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2. Enhanced entity–relationship model - Wikipedia

   en.wikipedia.org/wiki/Enhanced_entity...

   The enhanced entity–relationship (EER) model (or extended entity–relationship model) in computer science is a high-level or conceptual data model incorporating extensions to the original entity–relationship (ER) model, used in the design of databases.

3. Lucidchart - Wikipedia

   en.wikipedia.org/wiki/Lucidchart

   Lucidchart is a web-based diagramming application [2] that allows users to visually collaborate on drawing, revising and sharing charts and diagrams, and improve processes, systems, and organizational structures. [3] [4] [5] It is produced by Lucid Software Inc., based in Utah, United States [3] [6] and co-founded by Ben Dilts and Karl Sun. [7]

4. Entity–relationship model - Wikipedia

   en.wikipedia.org/wiki/Entity–relationship_model

   It occurs when a (master) table links to multiple tables in a one-to-many relationship. The issue derives its name from the visual appearance of the model when it is drawn in an entity–relationship diagram, as the linked tables 'fan out' from the master table. This type of model resembles a star schema, which is a common design in data ...

5. One-to-many (data model) - Wikipedia

   en.wikipedia.org/wiki/One-to-many_(data_model)

   Entity relationship diagram (ERD) notations [ edit ] One notation as described in Entity Relationship modeling is Chen notation or formally Chen ERD notation created originally by Peter Chen in 1976 where a one-to-many relationship is notated as 1:N where N represents the cardinality and can be 0 or higher.

6. Comparison of Business Process Model and Notation modeling ...

   en.wikipedia.org/wiki/Comparison_of_Business...

   LucidChart: Lucid Software Inc ? 2011 updated twice a month Proprietary - 14-day free trial on team accounts / Free professional accounts for educators and students / Free version MagicDraw: No Magic: 2007-09-24 2024 [18] Proprietary/Shareware Microsoft Visio: Microsoft: Read: MS Visio, Write: MS Visio, EMF, PDF. 2024 [19] Proprietary: Modelio

7. Associative entity - Wikipedia

   en.wikipedia.org/wiki/Associative_entity

   An associative entity is a term used in relational and entity–relationship theory. A relational database requires the implementation of a base relation (or base table) to resolve many-to-many relationships.

8. PlantUML - Wikipedia

   en.wikipedia.org/wiki/PlantUML

   PlantUML is an open-source tool allowing users to create diagrams from a plain text language. Besides various UML diagrams, PlantUML has support for various other software development related formats (such as Archimate, Block diagram, BPMN, C4, Computer network diagram, ERD, Gantt chart, Mind map, and WBD), as well as visualisation of JSON and YAML files.

9. Barker's notation - Wikipedia

   en.wikipedia.org/wiki/Barker's_notation

   Barker's notation refers to the ERD notation developed by Richard Barker, Ian Palmer, Harry Ellis et al. whilst working at the British consulting firm CACI around 1981. The notation was adopted by Barker when he joined Oracle and is effectively defined in his book Entity Relationship Modelling as part of the CASE Method series of books.