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ER Diagram Styles

When creating ER diagrams, you can apply different color ER diagram styles and also notation styles. ConceptDraw DIAGRAM enhanced with Entity-Relationship Diagram (ERD) Solution gives the ability to draw visual and attractive ER Diagrams using the style icons from Crow’s Foot notation and Chen's notation professionally designed and offered by ERD Chen's Notation and ERD Crow’s Foot Notation libraries.

Entity Relationship Diagram Symbols

Entity Relationship Diagram Symbols
The semantic modeling method nowadays is successfully applied in database structure design. It is effective method of modeling the data structures, which is based on the meaning of these data. As a tool of semantic modeling, there are used different types of Entity-Relationship Diagrams. Entity Relationship Diagram (ERD) is applied to visually and clearly represent a structure of a business database. The main components of ERDs are: entity, relation and attributes. An entity is a class of similar objects in the model, each entity is depicted in the form of rectangle and has the name expressed by a noun. Relation is shown in the form of non-directional line that connects two entities. There are several notation styles used for ERDs: information engineering style, Chen style, Bachman style, Martin Style. The Entity Relationship Diagram symbols used for professional ERD drawing are predesigned by professionals and collected in the libraries of the Entity-Relationship Diagram (ERD) solution for ConceptDraw DIAGRAM software.

Chen ERD Diagram

The vector stencils library Chen ERD from the solution Entity-Relationship Diagrams (ERD) contains specific symbols of the Chen ERD notation including entity symbols and relationship symbols for ConceptDraw DIAGRAM diagramming and vector drawing software. The Entity-Relationship Diagrams (ERD) solution is contained in the Software Development area of ConceptDraw Solution Park.

Martin ERD Diagram

The vector stencils library Crow's Foot Notation from the solution Entity-Relationship Diagrams (ERD) contains specific symbols of the Crow's foot notation such as relationship symbols and entity symbols for ConceptDraw DIAGRAM diagramming and vector drawing software. The Entity-Relationship Diagrams (ERD) solution is contained in the Software Development area of ConceptDraw Solution Park.
This tuning-fork style diagram of the Hubble sequence was created on the base of the Wikimedia Commons file: Hubble sequence photo.png. [commons.wikimedia.org/ wiki/ File:Hubble_ sequence_ photo.png]
"The Hubble sequence is a morphological classification scheme for galaxies invented by Edwin Hubble in 1936. It is often known colloquially as the Hubble tuning fork diagram because of the shape in which it is traditionally represented.
Hubble’s scheme divides regular galaxies into 3 broad classes - ellipticals, lenticulars and spirals - based on their visual appearance (originally on photographic plates). A fourth class contains galaxies with an irregular appearance. To this day, the Hubble sequence is the most commonly used system for classifying galaxies, both in professional astronomical research and in amateur astronomy." [Hubble sequence. Wikipedia]
The astronomical diagram example "Tuning-fork style diagram of the Hubble sequence" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Astronomy solution from the Science and Education area of ConceptDraw Solution Park.
Morphological classification scheme for galaxies
Morphological classification scheme for galaxies, irregular galaxy, Irr, Sc galaxy, Sb galaxy, Sa galaxy, SBc galaxy, SBb galaxy, SBa galaxy, S0 galaxy, lenticular galaxy, E7 galaxy, E4 galaxy, E0 galaxy,
Used Solutions

segmented cycle diagram, marketing diagrams, circular arrows diagrams Circular Arrows Diagrams

segmented cycle diagram, marketing diagrams, circular arrows diagrams
Circular Arrows Diagrams solution extends ConceptDraw DIAGRAM with extensive drawing tools, predesigned samples, Circular flow diagram template for quick start, and a library of ready circular arrow vector stencils for drawing Circular Arrow Diagrams, Segmented Cycle Diagrams, and Circular Flow Diagrams. The elements in this solution help managers, analysts, business advisers, marketing experts, scientists, lecturers, and other knowledge workers in their daily work.

How to draw Metro Map style infographics? (London)

Tool to draw Metro Map styled inforgraphics. London Tube map sample.

enterprise architecture diagram, business architecture Enterprise Architecture Diagrams

enterprise architecture diagram, business architecture
Enterprise Architecture Diagrams solution extends ConceptDraw DIAGRAM software with templates, samples and library of vector stencils for drawing the diagrams of enterprise architecture models.

How to draw Metro Map style infographics? (Los Angeles)

Los Angeles Metro Rail and Liner
Tool to draw Metro Map styled inforgraphics. Los Angeles Metro Rail and Liner sample. This is a one-click tool to add stations to the map. It lets you control the direction in which you create new stations, change lengths, and add text labels and icons. It contains Lines, Stations, and Landmarks objects.