sql-query-optimization

Analyze SQL queries to identify performance bottlenecks and implement optimization techniques. Includes query analysis, indexing strategies, and rewriting patterns for improved performance.

❌ Don't create indexes without testing impact ❌ Don't use LIKE with leading wildcard without full-text search ❌ Don't JOIN unnecessary tables ❌ Don't ignore ORDER BY performance impact ❌ Don't skip EXPLAIN analysis

✅ DO test query changes in development first ✅ DO monitor query performance after deployment ✅ DO update table statistics regularly ✅ DO use appropriate data types for columns ✅ DO consider materialized views for complex aggregations

تحليل وتحسين استعلامات SQL للأداء. يُستخدم عند تحسين الاستعلامات البطيئة، أو تقليل وقت التنفيذ، أو تحليل أداء الاستعلام في PostgreSQL وMySQL. المصدر: aj-geddes/useful-ai-prompts.