AI ER diagram generator examples.
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What an ER diagram is.
An entity relationship diagram, or ERD, shows the structure of a database. Each entity becomes a table, its attributes become fields, and primary and foreign keys identify and connect the records.
The relationship markers show how records can be associated: one customer can place many orders, while an order line links one order to one product. That makes an ERD useful before writing migrations or when explaining an existing schema.
- Standard
- Chen 1976 / Everest 1976 (crow's foot)
- Also follows
- Implements the crow's-foot subset
- Engine
- schematex-erd
- Editable
- Double-click text, drag nodes
- Export
- SVG · PNG · PDF
Who uses an AI ER diagram generator.
Patient, provider, order, study, and report records mapped before a clinical workflow is implemented.
Books, authors, members, and loans shown together so circulation rules have a shared data model.
Catalog, student, loan, and media records documented for a library system.
How to make an ER diagram with AI in three steps.
Describe it
One paragraph is enough to start.
See the drawing
Drawn by the right engine.
Say what changes
Every edit keeps a version.
Common questions
What is an entity relationship diagram?
An entity relationship diagram is a data-modeling drawing that shows entities such as customers or orders, their attributes, and the relationships between them. In a database ERD, entities usually correspond to tables and attributes to columns.
What do ERD cardinalities mean?
Cardinality states how many records can participate in a relationship. One-to-many means one customer can have many orders; many-to-many needs a linking table, such as an enrollment table between students and courses.
What should I include in an ER diagram prompt?
Name the main entities, the important fields, and how they relate. For example, say that each order belongs to one customer and contains many order lines, and that each line refers to one product.
What is the difference between a conceptual and logical ERD?
A conceptual ERD names the business entities and relationships at a high level. A logical ERD adds attributes, keys, and cardinality, which makes it useful for database design and documentation.
Can I refine an ER diagram after generating it?
Yes. Ask for a change such as adding an entity, moving an attribute, or changing a relationship, and update the diagram from that instruction.
Other drawings for the same work.
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