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.
- SQL Basics
- Intermediate SQL
- Advanced SQL
- JOIN Questions
- GROUP BY & HAVING
- CTEs
- Window Functions
- Date & String Functions
- Query Optimization Basics
- Scenario-Based SQL Questions
- Data Analyst Aspirants
- Students
- Fresh Graduates
- Career Switchers
- Anyone preparing for SQL interviews
- SELECT
- WHERE
- ORDER BY
- LIMIT
- DISTINCT
- JOINS
- GROUP BY
- HAVING
- CASE WHEN
- Subqueries
- CTEs
- Window Functions
- Ranking Functions
- Date Functions
- Performance Basics
- 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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Happy Learning and Best of Luck!