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Schema diagrams

Generate interactive entity-relationship diagrams from any connected source, with foreign keys and inferred joins detected automatically.

AI-Powered Schema Visualization

The ERD Designer generates interactive entity-relationship diagrams from your connected data sources using Mermaid.js.

How to Use

  1. Connect a data source — the ERD designer works with any connected database or uploaded file.
  2. Ask for a diagram — use natural language: "show the ERD for this database", "visualize the schema", or "how are these tables related?"
  3. Interactive output — the diagram renders inline in the chat with table names, column types, and relationship lines.

Features

  • Auto-discovery — foreign keys and implicit relationships are detected automatically.
  • Focused views — ask for specific subsets: "show only the tables related to billing".
  • Export — copy the Mermaid source or download as SVG/PNG.