Design normalized database schemas from business requirements with ER diagrams.
## Workflow: Data Model Designer **Input:** Business domain, entity names, relationships, and constraints. **Step 1 — Entities:** Extract entities, attributes, and data types. **Step 2 — Relationships:** Define FK relationships and junction tables. **Step 3 — Normalize:** Apply 3NF and generate CREATE TABLE DDL. **Output:** Data model with ER diagram, normalized schema, and DDL.
Free to copy and use. Compatible with Claude 4 Opus, GPT-5, Gemini 2.0 Flash, Llama 4.
Describe your business domain and key entities. Include business rules and constraints for accurate relationship mapping.
Initial release
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