💼 SQL Interview Preparation Guide

Welcome to the SQL Interview Guide by Digital PrepHub.

This repository is designed to help aspiring Data Analysts prepare for SQL interviews with structured questions, query challenges, and practical scenarios.

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📚 What's Included?

• SQL Basics
• Intermediate SQL
• Advanced SQL
• JOIN Questions
• GROUP BY & HAVING
• CTEs
• Window Functions
• Date & String Functions
• Query Optimization Basics
• Scenario-Based SQL Questions

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🎯 Who Is This For?

• Data Analyst Aspirants
• Students
• Fresh Graduates
• Career Switchers
• Anyone preparing for SQL interviews

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📌 Topics Covered

Beginner

• SELECT
• WHERE
• ORDER BY
• LIMIT
• DISTINCT

Intermediate

• JOINS
• GROUP BY
• HAVING
• CASE WHEN
• Subqueries

Advanced

• CTEs
• Window Functions
• Ranking Functions
• Date Functions
• Performance Basics

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💼 Interview Tips

• Understand the business problem before writing SQL.
• Practice writing queries without relying on autocomplete.
• Focus on readability as well as correctness.
• Be ready to explain your logic clearly.

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🚀 More Resources

Explore additional Data Analytics and AI learning resources from Digital PrepHub.

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Happy Learning and Best of Luck!