SQLMastery: One-Stop SQL Interview Prep Hub

Welcome to SQLMastery, my ultimate repository for preparing and acing SQL interviews! Whether you’re a beginner or an advanced SQL enthusiast, this repo is packed with resources, real-world case studies, company-specific questions, and fun SQL games to sharpen your skills.

Table of Contents

1. Introduction

2. Solutions by Platform

3. Company-Specific Questions

4. SQL Case Studies

5. SQL Games

6. SQL Challenges

7. SQL Interview Theory

8. Usage Instructions

9. Contribution

10. License

Introduction

I created this repository to help myself and others prepare for SQL interviews. It compiles challenges, real-world case studies, and theoretical interview questions from various platforms and company-specific resources. I will continuously update SQLMastery with new content, so feel free to star and fork the repo to stay up-to-date.

Solutions by Platforms

A curated collection of SQL problems and solutions from 7 well-known platforms, sorted by easy, medium, and hard difficulty levels. This structure ensures a smooth progression while building SQL skills.

1. HackerRank

2. LeetCode

3. Data Lemur

4. StrataScratch

5. Interview Query

6. NamasteSQL by Ankit Bansal

7. Codebasics

Company-Specific Questions

SQL interview questions tailored to specific companies have been compiled:

• Google: Google SQL Challenges
• Amazon: Amazon SQL Challenges
• Meta: Meta SQL Challenges

SQL Case Studies

Real-world business problems are showcased to highlight how SQL is applied in analytics and reporting.

SQL Games

Engaging and interactive exercises are included to make learning SQL fun and exciting.

SQL Challenges

A collection of engaging and interactive SQL challenges I've participated in. I'll be updating this space regularly with the questions and my solutions. Stay tuned!

1. PrepVector 𝟭𝟱-𝗗𝗮𝘆 𝗦𝗤𝗟 𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲

SQL Interview Theory

I’ve summarized common theoretical questions and concepts that are essential for SQL interviews.

Usage Instructions

Clone the repository:

git clone https://github.com/Jayita11/SQLMastery_One-Stop_SQL_Interview_PrepHub.git

Contribution

I welcome contributions to this repository!

1. Fork this repository.
2. Create a new branch (feature/add-new-content).
3. Add your content under the appropriate section.
4. Submit a pull request with a descriptive message.

License

This repository is licensed under the MIT License.
Please see the LICENSE file for more details.