---
title: "Discussion on \"Efficient Database Lookups: Checking if Email Exists in Millions of Records\" | Hashnode"
description: "Discussion on \"Efficient Database Lookups: Checking if Email Exists in Millions of Records\". Optimize database lookups with indexing, caching, denormalization, partitioning, Bloom filters, and consistent hashing in distributed systems"
url: "https://hashnode.com/posts/efficient-database-lookups/66e6825d27092531251628c6"
---

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# [Efficient Database Lookups: Checking if Email Exists in Millions of Records](https://stackup.hashnode.dev/efficient-database-lookups?utm_source=hashnode&utm_medium=feed)

Optimize database lookups with indexing, caching, denormalization, partitioning, Bloom filters, and consistent hashing in distributed systems

Sep 15, 2024 · 8 min read · stackup.hashnode.dev  
Updated Sep 17, 2024  
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## Written by

[Rajat Srivastava](https://hashnode.com/@stackupdev)

@stackupdev · Pune, India

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

Senior Engineer C#

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