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Update README with data model and ERD#23

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heinrich10 merged 2 commits intomainfrom
update/read_me_with_erd
Jan 4, 2026
Merged

Update README with data model and ERD#23
heinrich10 merged 2 commits intomainfrom
update/read_me_with_erd

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@heinrich10
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What?

add a data model section with an ERD diagram.

Why?

so that it will be easier for others to understand the data model

How?

use mermaid charts

Added a data model section with an ERD diagram.
@heinrich10 heinrich10 requested a review from Copilot September 30, 2025 09:13
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Pull Request Overview

This PR adds a data model section to the README with an Entity Relationship Diagram (ERD) to help others understand the database structure.

  • Adds a new "Data Model" section with a Mermaid ERD diagram
  • Documents three entities: person, country, and continent with their attributes and relationships
  • Uses Mermaid chart syntax with dagre layout and handDrawn styling

Tip: Customize your code reviews with copilot-instructions.md. Create the file or learn how to get started.

README.md Outdated
title: ERD
---
erDiagram
direction LR
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Copilot AI Sep 30, 2025

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The 'direction LR' directive is not valid in Mermaid ER diagrams. This directive is used in flowcharts and should be removed as it may cause rendering issues.

Suggested change
direction LR

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github-actions bot commented Sep 30, 2025

☂️ Python Coverage

current status: ✅

Overall Coverage

Lines Covered Coverage Threshold Status
363 349 96% 0% 🟢

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No new covered files...

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No covered modified files...

updated for commit: 6ca88e6 by action🐍

@heinrich10 heinrich10 merged commit c092d4e into main Jan 4, 2026
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2 participants