Ads
related to: lucidchart erd examples with pictures and solutions freeedrawsoft.com has been visited by 10K+ users in the past month
Search results
Results from the WOW.Com Content Network
In systems analysis, a one-to-many relationship is a type of cardinality that refers to the relationship between two entities (see also entity–relationship model). For example, take a car and an owner of the car. The car can only be owned by one owner at a time or not owned at all, and an owner could own zero, one, or multiple cars.
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]
Concept mapping and mind mapping software is used to create diagrams of relationships between concepts, ideas, or other pieces of information. It has been suggested that the mind mapping technique can improve learning and study efficiency up to 15% over conventional note-taking. [1]
An entity–relationship model (or ER model) describes interrelated things of interest in a specific domain of knowledge. A basic ER model is composed of entity types (which classify the things of interest) and specifies relationships that can exist between entities (instances of those entity types).
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.
An entity–relationship model (ERM) is an abstract conceptual representation of structured data. Entity–relationship modeling is a relational schema database modeling method, used in software engineering to produce a type of conceptual data model (or semantic data model ) of a system, often a relational database , and its requirements in a ...
A context diagram can also list the classifications of the external entities as one of a set of simple categories [5] (Examples: [6]), which add clarity to the level of involvement of the entity with regards to the system. These categories include: Active: Dynamic to achieve some goal or purpose (Examples: "Article readers" or "customers").
Commercial, Free Community Edition Java Software Ideas Modeler: Dusan Rodina Windows (.NET), Linux (Mono) 2009-08-06 [33] 2024-05-28 [34] No Commercial, Freeware for non-commercial use C# StarUML: MKLab: Windows, macOS, Linux 2005-11-01 2023-01-12 (v5.1) No Commercial, You can evaluate for free without time limit V5 Java Umbrello UML Modeller ...
Ads
related to: lucidchart erd examples with pictures and solutions freeedrawsoft.com has been visited by 10K+ users in the past month