Example of DFD for Online Store (Data Flow Diagram)
Data flow diagrams (DFDs) reveal relationships among and between the various components in a program or system. DFDs are an important technique for modeling a system’s high-level detail by showing how input data is transformed to output results through a sequence of functional transformations.Example of DFD for Online Store shows the Data Flow Diagram for online store and interactions between the Visitors, Customers and Sellers, as well as Website Information and User databases.
The Sales Process
The Sales Process is a complex approach for selling a product or service which assumes many steps including the sales planning, realization of the sales marketing and management strategies, sales process analysis, etc. Now we have a ConceptDraw DIAGRAM software extended with unique Sales Flowcharts solution from the Marketing area of ConceptDraw Solution Park which ideally suits for the planning and realization the company's sales process.Components of ER Diagram
ConceptDraw gives the ability to draw ER diagram (ERD) for visual describing database using the entity relationship symbols, work flow shapes, entity relationship stencils. Entity-Relationship model making possibility to describe a database using the components of ER Diagram in which in the tables data can be the point to data in other tables - for instance, your entry in the database could point to several entries.Design Element: Crows Foot for Entity Relationship Diagram - ERD
Creating an ERD requires choosing a specific set of notations that best serve the specific database being designed. ConceptDraw DIAGRAM software extended with Entity-Relationship Diagram (ERD) solution from Software Development area of ConceptDraw Solution Park allows you to draw ER diagrams for depicting a database using the ERD diagram design element Crow's Foot - Crow′s Foot notation icons.Entity-Relationship Diagram (ERD) with ConceptDraw DIAGRAM
Entity-Relationship Diagram (ERD) serves for detailed description of structures and databases. An ERD represents a diagram made up mainly of rectangular blocks (for entities, or data) linked with relationships. The links between the blocks describe relations between these entities. There are three types of relationships: one-to-one,one-to-many, many-to-many.
Draw Entity-Relationship Diagrams (ERD) easily with ConceptDraw extended with Entity-Relationship Diagram (ERD) Solution from the Software Development Area. Use ERD software to create ER diagram.
Data Flow Diagrams
Data Flow Diagrams (DFDs) are graphical representations of the "flow" of data through an information system. Data flow diagrams can be used for the visualization of data processing. ConceptDraw DIAGRAM extended with Data Flow Diagrams Solution is a powerful data flow diagramming application that allows you quickly create any Data Flow Diagrams including the data storages, external entities, functional transforms, data flows, as well as control transforms and signals.Entity Relationship Diagram - ERD - Software for Design Crows Foot ER Diagrams
Crow's Foot notation was proposed by Gordon Everest. According to this notation, the entity is represented by rectangle, relation is depicted by line which ties two entities involved in a relationship. Entity-relationship diagrams based on both Chen's and Crow's Foot notations, can be easily drawn using the ConceptDraw DIAGRAM ERD diagrams software tools for design element Crow's Foot and Chen from Entity-Relationship Diagram (ERD) solution.ConceptDraw DIAGRAM ER Diagram Tool
ER-diagram is a tool used for database modeling which allows to determine data and relationships among the data. These diagrams help to detail data storages and to document all the properties of designed system. ER-diagram contains entities, attributes of the entities and the relationships between them. Chen’s notation and Crow’s foot notation are commonly used to represent elements in ER-model. To create such diagram you should use specific software, such as Entity-Relationship Diagram solution for ConceptDraw DIAGRAM.ConceptDraw ER Diagram Tool works across any platform, meaning you never have to worry about compatibility again. ConceptDraw DIAGRAM allows you to make Entity-Relationship Diagram (ERD) on PC or macOS operating systems.
Yourdon and Coad Diagram
The vector stencils library Yourdon and Coad Notation from the solution OOAD contains specific symbols of the Yourdon and Coad notation such as data store symbol, data process symbol, loop symbol for ConceptDraw DIAGRAM diagramming and vector drawing software. The OOAD solution is contained in the Software Development area of ConceptDraw Solution Park.Notation & Symbols for ERD
The ER diagram is constructed from the specific ERD graphic elements. There are used 2 types of ERD notations: Chen and Crow's Foot.A complete set of work flow shapes, notation & symbols for ERD, entity relationship stencils, included in Entity-Relationship Diagram (ERD) solution for ConceptDraw DIAGRAM software, makes drawing diagrams based on ERD notation as smooth as possible.
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