---
title: "Comment by Lars Moelleken on \"Understanding Indexes in MySQL\" | Hashnode"
description: "Thanks for the article. 🐬 PS: one thing that I saved in my brain, is that mysql can use only one index per table per query (I know there are some specials for"
url: "https://hashnode.com/posts/understanding-indexes-in-mysql/64a28e425a2dd40a528f0a75/comment/64a742cf7e8c04130f7fdc94"
---

[Discussion](https://hashnode.com/posts/understanding-indexes-in-mysql/64a28e425a2dd40a528f0a75)

Comment [Understanding Indexes in MySQL](https://hashnode.com/posts/understanding-indexes-in-mysql/64a28e425a2dd40a528f0a75)

[Lars Moelleken](https://hashnode.com/@voku)

PHP Developer

[Jul 6, 2023](https://hashnode.com/posts/understanding-indexes-in-mysql/64a28e425a2dd40a528f0a75/comment/64a742cf7e8c04130f7fdc94)

Thanks for the article. 🐬

PS: one thing that I saved in my brain, is that mysql can use only one index per table per query (I know there are some specials for joins and index merge)