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.claude/skills/database-normalization/SKILL.md
C.J.デイトの『データベース実践講義』に基づくリレーショナルデータベース正規化理論。 第1〜5正規形の段階的適用と、パフォーマンス要件に基づく意図的な非正規化の判断基準を提供。 専門分野: 📖 参照書籍: - 『Designing Data-Intensive Applications』（Martin Kleppmann）: データモデリング 📚 リソース参照: - `resources/Level1_basics.md`: レベル1の基礎ガイド - `resources/Level2_intermediate.md`: レベル2の実務ガイド - `resources/Leve...
SKILL.md
Full skill instructions
Database Normalization Skill
概要
C.J.デイトの『データベース実践講義』に基づくリレーショナルデータベース正規化理論。 第1〜5正規形の段階的適用と、パフォーマンス要件に基づく意図的な非正規化の判断基準を提供。 専門分野:
詳細な手順や背景は resources/Level1_basics.md と resources/Level2_intermediate.md を参照してください。
ワークフロー
Phase 1: 目的と前提の整理
目的: タスクの目的と前提条件を明確にする
アクション:
resources/Level1_basics.mdとresources/Level2_intermediate.mdを確認- 必要な resources/scripts/templates を特定
Phase 2: スキル適用
目的: スキルの指針に従って具体的な作業を進める
アクション:
- 関連リソースやテンプレートを参照しながら作業を実施
- 重要な判断点をメモとして残す
Phase 3: 検証と記録
目的: 成果物の検証と実行記録の保存
アクション:
scripts/validate-skill.mjsでスキル構造を確認- 成果物が目的に合致するか確認
scripts/log_usage.mjsを実行して記録を残す
ベストプラクティス
すべきこと
- 新規テーブル設計時の正規化レベル決定
- 既存スキーマの正規化レベル評価
- パフォーマンス問題の原因が正規化レベルにある可能性がある場合
- 非正規化の判断とその文書化が必要な場合
避けるべきこと
- アンチパターンや注意点を確認せずに進めることを避ける
コマンドリファレンス
リソース読み取り
cat .claude/skills/database-normalization/resources/Level1_basics.md
cat .claude/skills/database-normalization/resources/Level2_intermediate.md
cat .claude/skills/database-normalization/resources/Level3_advanced.md
cat .claude/skills/database-normalization/resources/Level4_expert.md
cat .claude/skills/database-normalization/resources/legacy-skill.md
cat .claude/skills/database-normalization/resources/normalization-levels-detail.md
スクリプト実行
node .claude/skills/database-normalization/scripts/analyze-normalization.mjs --help
node .claude/skills/database-normalization/scripts/log_usage.mjs --help
node .claude/skills/database-normalization/scripts/validate-skill.mjs --help
テンプレート参照
cat .claude/skills/database-normalization/templates/denormalization-decision-template.md
変更履歴
| Version | Date | Changes |
|---|---|---|
| 1.0.0 | 2025-12-24 | Spec alignment and required artifacts added |
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