---
title: "Discussion on \"Why can someone use SQL for years and still never truly understand databases?\" | Hashnode"
description: "Discussion on \"Why can someone use SQL for years and still never truly understand databases?\". Discover why relationships, integrity constraints, and indexes matter more than queries when designing scalable and reliable database systems."
url: "https://hashnode.com/posts/why-can-someone-use-sql-for-years-and-still-never-truly-understand-databases/6a5805d04c11a62a8e3ad5c6"
---

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# [Why can someone use SQL for years and still never truly understand databases?](https://evankhandev.hashnode.dev/why-can-someone-use-sql-for-years-and-still-never-truly-understand-databases?utm_source=hashnode&utm_medium=feed)

Discover why relationships, integrity constraints, and indexes matter more than queries when designing scalable and reliable database systems.

Jul 15 · 2 min read · evankhandev.hashnode.dev  
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-   [#sql](https://hashnode.com/tag/sql)
-   [#database-design](https://hashnode.com/tag/database-design)
-   [#software-architecture](https://hashnode.com/tag/software-architecture)
-   [#data-engineering](https://hashnode.com/tag/data-engineering)
-   [#systems-engineering](https://hashnode.com/tag/systems-engineering)

## Written by

[Sergio González Téllez](https://hashnode.com/@evandev)

@evandev · Mexico City, Mexico

  
[View profile](https://hashnode.com/@evandev)

AI Engineering | ML Systems | MLOps | Building Reliable AI Architectures

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