# Data Modelling

> Dimensional versus normalised design, slowly changing dimensions, and choosing a grain you can still defend in six months.

- Skill: `gulmezeren2-byte/data-modelling` (Agent Skill)
- Install (CLI): `npx skillmds@latest add gulmezeren2-byte/data-modelling`
- Raw SKILL.md: https://api.skillmd.com/api/skills/gulmezeren2-byte/data-modelling/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: gulmezeren2-byte (https://skillmd.com/u/gulmezeren2-byte)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/gulmezeren2-byte/data-modelling

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# data-modelling

Dimensional versus normalised design, slowly changing dimensions, and choosing
a grain you can still defend in six months.