GDS — Data Model Design

🏠 Playground

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Build your ER model by adding entities, defining attributes, and connecting relationships.

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Properties

☐

Select an entity or relationship to edit names, keys, and cardinality.

📄 SQL DDL

✓ Evaluation

{} JSON Schema

Toolbox

Add objects to the canvas and refine the model from properties.

☐ Entities

↔ Relationships

🔑 Attributes

Right-click any entity to add:
🔑 PK 🔗 FK ✟ UK · Regular

⚓ Shortcuts

V Select

E Entity

R Relate

Del Delete

Ctrl+Z Undo

Ctrl+S Save

Space+drag Pan

Scroll Zoom

· Add Attribute

🔑 Add Primary Key

🔗 Add Foreign Key

✟ Add Unique Key

⋭ Duplicate Entity

🗑 Delete Entity

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