---
title: "EP20: How SQL works under the hood. Also..."
url: https://daily.dev/posts/ep20-how-sql-works-under-the-hood-also--ovujc067x
source_url: https://blog.bytebytego.com/p/ep20-how-sql-works-under-the-hood
type: article
source: "ByteByteGo"
published: 2022-08-20T15:41:28.115Z
updated: 2022-08-20T15:41:28.113Z
tags: ["amazon", "sql", "database", "netflix"]
reading_time: 3
upvotes: 23
comments: 0
language: en
---

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# EP20: How SQL works under the hood. Also...

**[ByteByteGo](https://daily.dev/sources/bytebytego)** · 3 min read · 23 upvotes · 0 comments

## Summary

How does Netflix scale push messaging for millions of devices? Amazon DynamoDB powered 89 million requests per second during prime days. Netflix’s homegrown solution called ‘Zuul Push’ is used. For Android, FCM is used to send push notifications for Apple devices.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://blog.bytebytego.com/p/ep20-how-sql-works-under-the-hood>

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---

Tags: [#amazon](https://daily.dev/tags/amazon), [#sql](https://daily.dev/tags/sql), [#database](https://daily.dev/tags/database), [#netflix](https://daily.dev/tags/netflix)

[View this post on daily.dev](https://daily.dev/posts/ep20-how-sql-works-under-the-hood-also--ovujc067x)