database-indexing-strategy

SKILL.md

Design comprehensive indexing strategies to improve query performance, reduce lock contention, and maintain data integrity. Covers index types, design patterns, and maintenance procedures.

❌ Don't create too many indexes (write performance impact) ❌ Don't create indexes without testing first ❌ Don't ignore index size and storage impact ❌ Don't forget to update table statistics after bulk operations ❌ Don't create duplicate indexes

✅ DO create indexes on foreign keys ✅ DO test index impact on INSERT/UPDATE performance ✅ DO use covering indexes for common queries ✅ DO drop unused indexes regularly ✅ DO monitor index fragmentation

Design and implement database indexing strategies. Use when creating indexes, choosing index types, or optimizing index performance in PostgreSQL and MySQL. Source: aj-geddes/useful-ai-prompts.

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