---
title: "Khan Mohammed ahmed (@khanAhmed) | Hashnode"
description: "Tech enthusiast | Problem solver | Delivering value through products. Read the latest articles by Khan Mohammed ahmed on Hashnode."
url: "https://hashnode.com/@khanAhmed"
---

@khanAhmed

# Khan Mohammed ahmed

@khanAhmed · Mumbai, Maharashtra · Joined September 2023

Tech enthusiast | Problem solver | Delivering value through products

### [Complete Guide to Composite Indexes: From Theory to Practice](https://guidetocompositeindex.hashnode.dev/complete-guide-to-composite-indexes-from-theory-to-practice?utm_source=hashnode&utm_medium=feed)

Learn how composite indexes can boost SQL query performance by 600x. Complete guide with real examples, time complexity analysis, and EXPLAIN plans for Post

7 min read · [guidetocompositeindex.hashnode.dev](https://guidetocompositeindex.hashnode.dev/complete-guide-to-composite-indexes-from-theory-to-practice?utm_source=hashnode&utm_medium=feed)

[Jun 26, 2025](https://hashnode.com/posts/complete-guide-to-composite-indexes-from-theory-to-practice/685d49d36161f4a925fcc152)