69. 🔥SQL Interview Question using LAG Function | Tamil Tutorial for Data Analysts

📖 Description In this video, I explain the SQL LAG function in Tamil with a real interview question example. We will learn how to compare employee sales with previous sales and get the latest details only. This concept is very important for SQL interviews, data analyst jobs, and real-time reporting scenarios. 👉 Topics Covered: What is LAG function in SQL? How LAG works in window functions. Employee sales vs previous sales comparison query. Real-time interview question and step-by-step solution. Useful tips for SQL interview preparation. If you are preparing for SQL, Data Analyst, or Business Intelligence interviews, this video will help you understand window functions clearly. 🔖 Hashtags #SQL #LAGFunction #SQLInterviewQuestions #TamilSQL #SQLTutorial #DataAnalyst #WindowFunctions #EmployeeSales #LearnSQL #Analytics