# SQL Optimization

> SQL query optimization techniques and best practices

- Skill: `datus-ai/sql-optimization` (Agent Skill)
- Install (CLI): `npx skillmds@latest add datus-ai/sql-optimization`
- Raw SKILL.md: https://api.skillmd.com/api/skills/datus-ai/sql-optimization/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Data & Analytics
- Author: datus-ai (https://skillmd.com/u/datus-ai)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/datus-ai/sql-optimization

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# SQL Optimization Skill

## Optimization Steps

1. Analyze the query execution plan
2. Check for missing indexes
3. Rewrite subqueries as JOINs where possible
4. Use EXPLAIN to verify improvements