---
title: "Discussion on \"What Is a Database Index? How Searching a Million Rows Can Still Be Fast\" | Hashnode"
description: "Discussion on \"What Is a Database Index? How Searching a Million Rows Can Still Be Fast\". The second part of the databases story — the shortcut that makes big tables feel small"
url: "https://hashnode.com/posts/what-is-a-database-index-how-searching-a-million-rows-can-still-be-fast/6af124b220a89b4877a3adda"
---

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# [What Is a Database Index? How Searching a Million Rows Can Still Be Fast](https://itsmeminsithu.hashnode.dev/what-is-a-database-index-how-searching-a-million-rows-can-still-be-fast?utm_source=hashnode&utm_medium=feed)

The second part of the databases story — the shortcut that makes big tables feel small

3d ago · 6 min read · itsmeminsithu.hashnode.dev  
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-   [#databases](https://hashnode.com/tag/databases)
-   [#sql](https://hashnode.com/tag/sql)
-   [#performance](https://hashnode.com/tag/performance)
-   [#indexing](https://hashnode.com/tag/indexing)
-   [#beginners](https://hashnode.com/tag/beginners)

## Written by

[Min SiThu](https://hashnode.com/@itsmeminsithu)

@itsmeminsithu · Singapore

  
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Software Engineer

Nubbad Developer. | Now I accidentally create problems.

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