Database Indexing Strategies: How to Optimize Query Performance

⚡ Key Takeaways

• {'point': 'Composite index column order matters', 'detail': 'The leftmost prefix rule determines which queries a composite index can serve; place equality conditions before range conditions.'} 𝕏
• {'point': 'Partial indexes reduce overhead', 'detail': 'Indexing only the rows you actually query produces smaller, faster indexes that cost less to maintain on write-heavy tables.'} 𝕏
• {'point': 'Monitor and maintain indexes continuously', 'detail': 'Track unused indexes for removal and bloated indexes for rebuilding to keep write performance healthy and storage costs controlled.'} 𝕏