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Data structure diagram information


Example of a data structure diagram

A data structure diagram (DSD) is the visual representation of a certain kind of data model that contains entities, their relationships, and the constraints that are placed on them. It is an older alternative to the entity–relationship model.

The basic graphic notation elements of DSDs are boxes which represent entities. Arrow symbols represent relationships. Data structure diagrams are most useful for documenting complex data entities.

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Data structure diagram

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A data structure diagram (DSD) is the visual representation of a certain kind of data model that contains entities, their relationships, and the constraints...

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Data model

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data librarian, or a data scholar. A data modeling language and notation are often represented in graphical form as diagrams. A data model can sometimes...

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Conceptual schema

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supervisor who is also an EMPLOYEE. A data structure diagram (DSD) is a data model or diagram used to describe conceptual data models by providing graphical notations...

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Diagram

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A diagram is a symbolic representation of information using visualization techniques. Diagrams have been used since prehistoric times on walls of caves...

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Jackson structured programming

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(of both data and programs) using three basic structures – sequence, iteration, and selection (or alternatives). These structures are diagrammed as (in...

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Control structure diagram

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Thereby the source code becomes visibly structured without sacrificing space. Data structure diagram Diagram Entity-relationship model Unified Modeling...

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List of data structures

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is a list of well-known data structures. For a wider list of terms, see list of terms relating to algorithms and data structures. For a comparison of running...

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Unified Modeling Language

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many types of diagrams which can be roughly divided into three main groups: behavior diagrams, interaction diagrams, and structure diagrams. The creation...

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Class diagram

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engineering, a class diagram in the Unified Modeling Language (UML) is a type of static structure diagram that describes the structure of a system by showing...

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Flow diagram

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counterpart of the flowchart. Flow diagrams are used to structure and order a complex system, or to reveal the underlying structure of the elements and their interaction...

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Activity diagram

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activities happen. Activity diagrams can be regarded as a form of a structured flowchart combined with a traditional data flow diagram. Typical flowchart techniques...

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Tree structure

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A tree structure, tree diagram, or tree model is a way of representing the hierarchical nature of a structure in a graphical form. It is named a "tree...

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Voronoi diagram

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partitioning of the environment. A point location data structure can be built on top of the Voronoi diagram in order to answer nearest neighbor queries, where...

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Object diagram

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programming, an object diagram in the Unified Modeling Language (UML) is a diagram that shows a complete or partial view of the structure of a modeled system...

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Alluvial diagram

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Alluvial diagrams are a type of flow diagram originally developed to represent changes in network structure over time. In allusion to both their visual...

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Structure

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minerals and chemicals. Abstract structures include data structures in computer science and musical form. Types of structure include a hierarchy (a cascade...

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Communication diagram

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types of interaction diagrams: Sequence diagram Communication diagram Interaction overview diagram Timing diagram A Communication diagram models the interactions...

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Binary decision diagram

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In computer science, a binary decision diagram (BDD) or branching program is a data structure that is used to represent a Boolean function. On a more abstract...

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Structured analysis

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information. SA and SD are displayed with structure charts, data flow diagrams and data model diagrams, of which there were many variations, including...

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Arc diagram

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numbers, and diagrams representing RNA secondary structure in which the crossings of the diagram represent pseudoknots in the structure. As Nicholson...

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Doubly connected edge list

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graphs (PSLG). For example, a Voronoi diagram is commonly represented by a DCEL inside a bounding box. This data structure was originally suggested by Muller...

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DSD

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multiple variables Data structure diagram of a data model Direct Stream Digital, Sony and Philips digital recording trademark Document Structure Description...

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System context diagram

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its interior structure, surrounded by all its interacting systems, environments and activities. The objective of the system context diagram is to focus...

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Organizational chart

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organigram, organogram, or organizational breakdown structure (OBS), is a diagram that shows the structure of an organization and the relationships and relative...

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Algebraic decision diagram

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An algebraic decision diagram (ADD) or a multi-terminal binary decision diagram (MTBDD), is a data structure that is used to symbolically represent a Boolean...

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