Entity Relationship diagrams are the powerful tool for clear and visual modeling the relationships between database entities. When developing Entity Relationship Diagrams are used a set of common block objects and lines to describe the structure of a database.
Use the ConceptDraw DIAGRAM software extended with Entity-Relationship Diagram (ERD) solution from the Software Development area of ConceptDraw Solution Park for designing ER diagrams, which offers the predesigned commonly used Entity relationship symbols and ER objects. Thanks to them you can make the ERDs easy understandable for all your colleagues.
When you need to visually represent the structure of relational database, Entity relationship diagram (ERD) is the best type of diagram for that case.
Most entity-relationship diagrams can be built with objects from Flowchart solution or ERD Solution which contains inbuilt templates. Follow these steps to create your own custom ERD diagram.
Don't be frightened if it looks complex, ConceptDraw DIAGRAM makes it easy to create an ERD, and hundreds of other diagrams, in minutes.
Start drawing with Entity object from Crow's foot ERD object.
Note: This object contains several levels:
1 - object itself
2 - lines in the object
3 - separate cell.
It is possible to set different setting to each level.
To switch from level to level, click on object with separate clicks when it's selected.
Change object's color.
Copy Teachers table.
Add new rows via drop-down menu.
Note: Adding and removing is always performed from a bottom row.
New added row will have same preferences as bottom one.
Paste copied table as many times as you need.
Filling the table.
Note: To fill a separate cell, select it clicking with 3 separate clicks.
Delete excess rows via drop-down menu for each table.
Use M:1 (many-to-one) connector from ERD Crow’s Foot Notation library.
Connect needed rows of tables.
If you want to change connectors' type, select all connectors with held Shift button and click on Smart connector icon at ribbon.
To change connectors' elbow position, pull the yellow control dot.
Select tables from left and set the same distribution.
You may block the horizontal moving for object, so figure might be moved only vertically.
Use M:M (many-to-many) connector from ERD Crow’s Foot Notation library.
Set the needed connection.
Note: When connector's end reaches connection point, it changes its appearance.
Edit connector's path manually with yellow control dots.
Select all with command+A.
Inspectors - Line - remove object lines (stroke).
Export your document to one of graphic formats.
Set the format and quality.
Your file is ready!
The Entity-Relationship Diagram (ERD) solution from ConceptDraw Solution Park extends ConceptDraw DIAGRAM ector graphics and diagramming software with the ability to describe successfully a database using the Entity-Relationship model and easy create ERD.
Video. How to Build an Entity Relationship Diagram (2min 05sec)
Use ConceptDraw DIAGRAM enhanced with Entity Relationship Diagram (ERD) solution to draw you own ER diagrams using Chen's or Crow's Foot notations.
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Entity Relationship Diagram (ERD) is an acknowledged method to visualize the logical structure of databases. Using special symbols described in ERD notations you can depict a database of any complexity.
The vector graphic ER diagrams produced when using ConceptDraw ERD solution can be used in whitepapers, presentations, datasheets, posters, or any technical materials.
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ConceptDraw DIAGRAM compatible Mac OS X software extended with powerful Entity-Relationship Diagram (ERD) Solution from the Software Development Area for ConceptDraw Solution Park is one of the famous ER Diagram Programs for Mac. It gives the perfect ability to draw ER diagrams for visually describing databases with Chen's and Crow's Foot notation icons.
What's the best ERD tool for the Mac? ConceptDraw DIAGRAM on Mac OS X supplied with Entity-Relationship Diagram (ERD) Solution from the Software Development Area for ConceptDraw Solution Park is the best ERD tool! This solution offers for ConceptDraw users so powerful drawing tools, libraries with numerous ERD objects, which will help design ER diagrams of any complexity and any design you want.
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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Creating of Entity-Relationship Diagrams (ERDs) is a complex process that requires convenient, automated tools. ConceptDraw DIAGRAM diagramming and vector drawing software offers a powerful ER Diagram Tool - the Entity-Relationship Diagram (ERD) Solution from the Software Development Area.