Database Indexing: What Every Developer Should Know

Proper indexing can turn a slow query into a fast one. Understand how indexes work and when to use them for optimal database performance.

Index Types

• B-tree indexes (default)
• Hash indexes
• Composite indexes
• Partial indexes

Common Mistakes

Over-indexing slows down writes. Under-indexing slows down reads. The key is finding the right balance based on your query patterns.