---
title: "Discussion on \"Preparing for Backend Interviews: SQL and NoSQL Essentials\" | Hashnode"
description: "Discussion on \"Preparing for Backend Interviews: SQL and NoSQL Essentials\". Master SQL and NoSQL essentials for backend interviews with this comprehensive guide. Learn key concepts, tradeoffs, and practical tips to impress interview"
url: "https://hashnode.com/posts/preparing-for-backend-interviews-sql-and-nosql-essentials/68d5a9865ae8d009c9200251"
---

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# [Preparing for Backend Interviews: SQL and NoSQL Essentials](https://thegoninja.hashnode.dev/preparing-for-backend-interviews-sql-and-nosql-essentials?utm_source=hashnode&utm_medium=feed)

Master SQL and NoSQL essentials for backend interviews with this comprehensive guide. Learn key concepts, tradeoffs, and practical tips to impress interview

Sep 25, 2025 · 5 min read · thegoninja.hashnode.dev  
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-   [#sql](https://hashnode.com/tag/sql)
-   [#nosql](https://hashnode.com/tag/nosql)
-   [#mongodb](https://hashnode.com/tag/mongodb)
-   [#backend](https://hashnode.com/tag/backend)
-   [#databases](https://hashnode.com/tag/databases)
-   [#interview](https://hashnode.com/tag/interview)

## Written by

[Oluwatosin Oghenewaire Thompson](https://hashnode.com/@thegoninja)

@thegoninja · Nigeria

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

Software Engineer

Hi, I’m Oluwatosin Thompson, a Backend Engineer specialising in Go (Golang) and passionate about creating reliable, scalable, and efficient backend systems that power great products. I’ve built and maintained production-grade services using Temporal, Prometheus, and AWS, with a strong emphasis on performance optimisation, distributed systems, and clean, maintainable code. My work reflects a balance between technical excellence and real-world business impact. I enjoy sharing my learning journey through technical writing and documenting how I solve engineering challenges. Known for being teachable, adaptable, and detail-oriented, I’m always eager to take on complex problems and deliver elegant solutions. I’m committed to engineering growth, collaboration, and continuous improvement, with a long-term goal of building impactful systems used worldwide.

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