7 SQL Interview Questions Every Data Analyst Should Practice | SQL Interview Preparation

Are you preparing for a Data Analyst interview and want to improve your SQL problem-solving skills? In this video, I solve 7 SQL interview questions step by step, covering some of the most important SQL patterns commonly used in Data Analyst interviews. These questions will help you understand not just the SQL syntax, but also how to approach interview problems logically. 📌 Topics & SQL concepts covered in this video: ✅ CTE (Common Table Expressions) ✅ ROW_NUMBER() ✅ LAG() ✅ Window Functions ✅ First & Last Purchase ✅ Previous Record Comparison ✅ Gaps & Islands ✅ Consecutive Day Streaks ✅ Conditional Aggregation ✅ Self Join Approach ✅ DATEDIFF() ✅ DATEADD() ✅ Multiple approaches to solving the same SQL problem One of the most important things while preparing for SQL interviews is to learn patterns, not just memorize queries. For some questions, I’ve also explained multiple approaches so you can understand how the same problem can be solved differently. 💡 Try solving each question yourself before watching the solution. If you're preparing for roles like: • Data Analyst • Business Analyst • BI Analyst • Power BI Developer • SQL Developer this SQL practice series will help you strengthen your interview preparation. 👍 Like the video if you find it useful. 💬 Comment which SQL question you found the most challenging. 🔔 Subscribe for more SQL, Power BI, Data Analytics, and interview preparation content. #SQL #SQLInterviewQuestions #DataAnalyst #SQLInterview #DataAnalytics #SQLServer #PowerBI #InterviewPreparation #LearnSQL