
ERDPlus
Free ERD modeling tool for creating Entity-Relationship Diagrams and relational/star schemas, aiding in visualizing and designing databases.
ER Diagram (ERD) - Definition & Overview | Lucidchart
ER Diagrams are most often used to design or debug relational databases in the fields of software engineering, business information systems, education and research.
Entity Relationship Diagram (ERD) - What is an ER Diagram?
ERD stands for entity relationship diagram. People also call these types of diagrams ER diagrams and Entity Relationship Models. An ERD visualizes the relationships between entities like …
What is Entity Relationship Diagram (ERD)? - Visual Paradigm
Learn Entity Relationship Diagram (ERD). Read this ERD guide for everything you need to know about data modeling and database design with ERD.
What is an entity relationship diagram? - IBM
An entity relationship diagram (ER diagram or ERD) is a visual representation of how items in a database relate to each other. ERDs are a specialized type of flowchart that conveys the …
Entity–relationship model - Wikipedia
Diagrams created to represent attributes as well as entities and relationships may be called entity-attribute-relationship diagrams, rather than entity–relationship models. An ER model is …
dbdiagram.io - Database Relationship Diagrams Design Tool
Directly generate SQL statements to create your database tables. Export to Images and PDFs. Create beautiful PDFs of your ER diagram to circulate internally. Who says ERDs are so …
How to Draw Entity Relationship Diagrams (ERDs) - GeeksforGeeks
Sep 8, 2025 · An Entity Relationship Diagram (ERD) is a graphical representation that shows how entities, such as people, objects, or concepts, relate to each other within a system.
UML Vs. ERD: Key Differences Explained with Real-World Examples
Oct 23, 2025 · Discover the key differences between UML and ERD diagrams with real-world examples and use cases. Learn how UML models system behavior while ERD focuses on …
A Guide to the Entity Relationship Diagram (ERD) - Database Star
Jul 30, 2019 · An Entity Relationship Diagram (ERD) is a type of diagram that lets you see how different entities (e.g. people, customers, or other objects) relate to each other in an …