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ERD Symbols and Meanings

Crow's foot notation is used in Barker's Notation, Structured Systems Analysis and Design Method (SSADM) and information engineering. Crow's foot diagrams represent entities as boxes, and relationships as lines between the boxes. Different shapes at the ends of these lines represent the cardinality of the relationship.
The Chen's ERD notation is still used and is considered to present a more detailed way of representing entities and relationships.
To create an ERD, software engineers mainly turn to dedicated drawing software, which contain the full notation resources for their specific database design - ERD symbols and meanings. CS Odessa has released an all-inclusive Entity-Relationship Diagram (ERD) solution for their powerful drawing program, ConceptDraw DIAGRAM.
How to Build an Entity Relationship Diagram (ERD)
How to Build an Entity Relationship Diagram (ERD)

Entity Relationship Diagram Symbols

Creating an entity-relationship (ER) model is to visually represent the structure of a business database, where data equates to entities (or objects) that are linked by defined relationships expressing dependencies and requirements. By nature it is an abstract visualization, the first step in the design process towards creating a logical and functional database.
ERD symbols used for professional ERD drawing are collected in libraries from the Entity-Relationship Diagram (ERD) solution for ConceptDraw DIAGRAM.
The vector stencils library "Marketing" contains 30 marketing icons.
Use it to design your business and finance illustrations and infographics with ConceptDraw PRO diagramming and vector drawing software.
The vector stencils library "Marketing" is included in the Business and Finance solution from the Illustration area of ConceptDraw Solution Park.
Target
Target, target,
International sales
International sales, globe, international sales,
Shopping cart
Shopping cart, shopping cart,
Sign post
Sign post, sign post,
Pointing hand
Pointing hand, pointing hand,
First place
First place, first place,
Market label
Market label, market label, badge,
Umbrella
Umbrella, umbrella,
Balance scales
Balance scales, balance scales,
Rocket
Rocket, rocket,
Airplane
Airplane, airplane,
Truck
Truck, truck,
Train
Train, train, subway,
Ship
Ship, ship,
Oil extraction
Oil extraction, oil extraction,
Oil barrel
Oil barrel, oil barrel,
Wooden barrel
Wooden barrel, wooden barrel,
Empty box
Empty box, empty box,
Full box
Full box, full box,
Building blocks
Building blocks, building blocks,
Stack of papers
Stack of papers, stack of papers,
Clipboard
Clipboard, clipboard,
Sunglasses
Sunglasses, sunglasses,
Thermometer
Thermometer, thermometer,
Question mark
Question mark, question mark,
Check mark
Check mark, check mark,
Cross mark
Cross mark, cross mark,
NO sign
NO sign, no sign,
Warning sign
Warning sign, warning sign,
Stop sign
Stop sign, stop sign,

Piping and Instrumentation Diagram Software

ConceptDraw DIAGRAM is professional Piping and Instrumentation Diagram (P&ID) Software.
Plumbing and Piping Plans solution helps you create quick and easy: key piping and instrument details ,piping diagrams, instrumentation diagrams, schemes of hot and cold water supply systems, control and shutdown schemes, diagrams of plumbing systems, heating schemes, schematics of waste water disposal systems, safety and regulatory requirements, diagrams of ventilation systems, mechanical diagrams, industrial diagrams, basic start up and operational information.

Design Data Flow. DFD Library

Three DFD libraries, 49 vector shapes. Use these DFD symbol libraries to design the process-oriented models, data-oriented models, data flowcharts, data process diagrams, structured analysis diagrams, and information flow diagrams.