Data Flow Diagrams
What is a Data Flow Diagram (DFD)
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.
Example 1. Data Flow Diagrams — DFD Process of Account Receivable
Data Flow Diagrams Solution from the Software Development area of ConceptDraw Solution Park includes a large set of templates and samples. You can find and open any of them from ConceptDraw STORE.
ConceptDraw STORE lets you navigate through ConceptDraw Solution Park, access libraries, templates and samples directly from it, and also manage downloads and updates.
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Example 2. Data Flow Diagrams Solution in ConceptDraw STORE
Use also 3 libraries from Data Flow Diagrams Solution:
- Data Flow Diagrams Library
- Gane-Sarson Notation Library
- Yourdon and Coad Notation Library
with extensive range of necessary objects ready-made to drag-and-drop.
Example 3. Data Flow Diagrams — DFD Ceres
This example was created using the tools of Data Flow Diagrams Solution and shows the DFD Ceres. An experienced user spent 20 minutes creating it in ConceptDraw DIAGRAM This example is professional looking and can be successfully used in various presentations, business documents, on websites.
Use Data Flow Diagrams solution for designing your own Data Flow Diagrams quick, easy and effective.
All source documents are vector graphic documents. They are available for reviewing, modifying, or converting to a variety of formats (PDF file, MS PowerPoint, MS Visio, and many other graphic formats) from the ConceptDraw STORE. The Data Flow Diagrams Solution is available for all ConceptDraw DIAGRAM or later users.
ConceptDraw DIAGRAM is a Perfect Tool for:
- Designing and planning tasks such as:
- Developing Visualization Solutions
- Project Planning (Gantt Charts, Timelines, Project Schedules)
TEN RELATED HOW TO's:
The Rapid UML Solution from the Software Development area of ConceptDraw Solution Park helps you to create the UML Class Diagrams quick and easy using ConceptDraw DIAGRAM diagramming and vector drawing software.
Picture: UML Class Diagram Tutorial
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This template shows the Context Diagram. It was created in ConceptDraw DIAGRAM diagramming and vector drawing software using the Block Diagrams Solution from the “Diagrams” area of ConceptDraw Solution Park.
The context diagram graphically identifies the system. external factors, and relations between them. It’s a high level view of the system. The context diagrams are widely used in software engineering and systems engineering for designing the systems that process the information.
Picture: Context Diagram Template
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This sample shows the Purchasing Flow Chart Diagram that displays the money flow in the carbon offset sphere. The carbon offsets are the compensatory measures that the companies make for the carbon emissions. You can see on this sample the groups that have interests in the carbon offsets and the money flow after the carbon offset vendors sold the carbon offsets.
Picture: Purchasing Flow Chart.Purchasing Flowchart Example
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UML Package Diagram illustrates the functionality of a software system.
ConceptDraw has 393 vector stencils in the 13 libraries that helps you to start using software for designing your own UML Diagrams. You can use the appropriate stencils of UML notation from UML Package library.
Picture: UML Package Diagram. Design Elements
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UML Timing Diagram as special form of a sequence diagram are used to explore the behaviors of objects throughout a given period of time.
Picture: Diagramming Software for Design UML Timing Diagrams
A waterfall model describes software development process as a sequence of phases that flow downwards. SSADM is one of the implementations of waterfall method. It’s easier to learn about structured systems analysis and design method (SSADM) with ConceptDraw DIAGRAM because this software has appropriate tools for creating data flow diagrams. You can use all the three main techniques of SSADM method with special tools and predesigned templates.
This data flow diagram illustrates the Structured Systems Analysis and Design Method. This method method considers analysis, projecting and documenting of information systems. Data flow models are the most important elements of SSADM and data flow diagrams are usually used for their description. It includes the analysis and description of a system as well as visualization of possible issues.
Picture: Structured Systems Analysis and Design Method. SSADM with ConceptDraw DIAGRAM
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The Accounting flowchart shows how information flows from source documents through the accounting records. The are based on the accounting procedures or processes.
Flowcharts are used to represent accounting information in a system. There are special symbols which are used to create accounting flowcharts. Try conceptdraw flowcharting set of symbols to draw a professional charts.
Picture: Why Flowchart Important to Accounting Information System?
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A flowchart is a powerful tool for examining processes. It helps improving processes a lot, as it becomes much easier to communicate between involved people, to identify potential problems and to optimize workflow. There are flowcharts of different shapes, sizes and types of flowchart vary from quite basic process flowcharts to complex program flowcharts. Nevertheless, all these diagrams use the same set of special symbols like arrows to connect blocks, parallelogram to show data receiving or rectangles for showing process steps.
Basic flowcharts are used to represent a simple process algorithm. A basic flowchart notation consists of rectangles (business processes), arrows (the flow of information, documents, etc.). The same notation is used in items such as the "decision", which allow you to do the branching. To indicate the start of the entire business process and its termination can be used the "Terminator" element. The advantages of Basic Flowchart are simplicity and clarity. With it you can quickly describe the business process steps. Creating of Basic Flowchart does not require any special knowledge, as easily understand by employees with different levels of education and IQ.
Picture: Types of Flowchart: Comprehensive Overview
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The purchase or purchasing funnel is a consumer focused marketing model which illustrates the theoretical customer journey towards the purchase of a product or service.
Picture: Pyramid Diagram
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While designing a conceptual data model, you should use appropriate software. For instance, ConceptDraw DIAGRAM is a user-friendly ER diagram tool that has a lot of samples and templates to facilitate your work. A clear entity-relationship diagram helps to define the relations between system’s components.
Software engineering is the section of a computer science engaged to design, realization, and support of complex software products. An ERD is a data modeling method that is widely applied in the software engineering practice. Commonly it is used for developing a structure of a a relational database. An entity relationship diagram is helpful for structuring and organizing databases that can be modeled using a relational structure. An entity relationship diagram is designed to depicts the interrelationships within the sets of entities which are accumulated in the database. Each entity represents a particular component of a data. Thus, ER diagrams depicts the logical structure of databases. ConceptDraw ER Diagrams solution provides software engineers with the professional tool for making entity-relationship diagrams.
Picture: Entity Relationship Diagram Software Engineering
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