skills/database-assistant/SKILL.md
Guide database design, migration, and query optimization. Use when: schema design, migration planning, query optimization, index strategy. Keywords: database, schema, migration, SQL, index, query.
npx skillsauth add asiaostrich/universal-dev-standards databaseInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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Guide database design, migration planning, and query optimization.
引導資料庫設計、遷移規劃和查詢最佳化。
| Principle | Description | 說明 | |-----------|-------------|------| | Normalization | Eliminate redundancy (3NF minimum) | 消除冗餘(至少 3NF) | | Referential Integrity | Enforce FK constraints | 強制外鍵約束 | | Index Strategy | Index query patterns, not all columns | 依查詢模式建立索引 | | Migration Safety | Always reversible, zero-downtime | 可逆、零停機 | | Data Protection | Encrypt sensitive fields, audit access | 加密敏感欄位、稽核存取 |
| Normal Form | Rule | 規則 | |-------------|------|------| | 1NF | Atomic values, no repeating groups | 原子值、無重複群組 | | 2NF | 1NF + no partial dependencies | 1NF + 無部分相依 | | 3NF | 2NF + no transitive dependencies | 2NF + 無遞移相依 | | Denormalize | Only for proven read performance needs | 僅針對已證實的讀取效能需求 |
PLAN ──► WRITE ──► TEST ──► DEPLOY ──► VERIFY
Identify affected tables, estimate data volume, plan rollback strategy.
識別受影響的表、估算資料量、規劃回滾策略。
Write forward and rollback scripts. Use incremental, numbered migrations.
撰寫正向和回滾腳本。使用遞增編號的遷移。
Run on staging with production-like data. Verify data integrity post-migration.
在 staging 環境使用類生產資料執行。驗證遷移後資料完整性。
Apply during maintenance window or use online schema change tools.
在維護窗口執行,或使用線上 Schema 變更工具。
Check row counts, constraint validity, application functionality.
檢查列數、約束有效性、應用程式功能。
| Type | Use Case | 使用場景 | |------|----------|----------| | B-tree | Equality, range queries (default) | 等值、範圍查詢(預設) | | Hash | Exact match only | 僅精確匹配 | | GIN | Full-text search, JSONB | 全文搜尋、JSONB | | Partial | Filtered subsets | 過濾子集 | | Composite | Multi-column queries | 多欄位查詢 |
/database - Interactive database design guide | 互動式資料庫設計引導
/database schema - Review schema design | 審查 Schema 設計
/database --migration - Migration planning assistant | 遷移規劃助手
After /database completes, the AI assistant should suggest:
資料庫設計完成。建議下一步 / Database design complete. Suggested next steps:
- 執行
/security檢查資料保護措施 — Check data protection measures- 執行
/testing規劃資料庫測試策略 ⭐ Recommended / 推薦 — Plan database testing strategy- 執行
/checkin確認遷移符合提交規範 — Verify migrations meet check-in standards- 產生 API 端點 → 執行
/api-design— Generate API endpoints → Run/api-design
| Version | Date | Changes | 變更說明 | |---------|------|---------|----------| | 1.0.0 | 2026-03-23 | Initial release | 初始版本 |
CC BY 4.0 — Documentation content
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