SQL Interview Question 🔥 Find Employees with Salary Increasing Every Year | LAG & CTE Explained скачать в хорошем качестве

SQL Interview Question 🔥 Find Employees with Salary Increasing Every Year | LAG & CTE Explained

In this video, we solve one of the most frequently asked SQL interview questions: 👉 Find employees whose salary is increasing every year. This question is commonly asked in SQL interviews for Data Analyst, Data Engineer, and Backend roles at companies like Amazon, Microsoft, Accenture, Deloitte, and more. We use: ✔ SQL Window Functions ✔ LAG() analytical function ✔ CTE (Common Table Expression) ✔ HAVING clause with aggregation logic You’ll learn: How to compare salary year over year Why LAG() is used in SQL interviews How HAVING MIN() logic filters valid employees Multiple alternate approaches to solve the same problem This video is perfect for: SQL interview preparation Advanced SQL practice Data Analyst & Data Engineer interviews Window function mastery If you want more real SQL interview questions with clean explanations, don’t forget to LIKE, SHARE, and SUBSCRIBE 🚀 . . . . #SQLInterviewQuestion #SQLWindowFunctions #LAGFunction #CTE #SQLForDataAnalyst #SQLForDataEngineer #AdvancedSQL #SQLPractice #SQLInterviewPreparation #DataAnalytics ********************************************************************** CREATE TABLE #employee_salary_history ( emp_id INT, emp_name VARCHAR(50), year INT, salary INT ); INSERT INTO #employee_salary_history (emp_id, emp_name, year, salary) VALUES (101, 'Aarav', 2020, 600000), (101, 'Aarav', 2021, 680000), (101, 'Aarav', 2022, 750000), (101, 'Aarav', 2023, 840000), (102, 'Priya', 2020, 720000), (102, 'Priya', 2021, 720000), (102, 'Priya', 2022, 780000), (103, 'Rahul', 2020, 550000), (103, 'Rahul', 2021, 590000), (103, 'Rahul', 2022, 570000), (104, 'Sneha', 2020, 630000), (104, 'Sneha', 2021, 690000), (104, 'Sneha', 2022, 760000), (104, 'Sneha', 2023, 820000);