Data Analytics Interview Write a query using GROUP BY and HAVING to find departments with more than 10 employees earning above the department average salary. Read more ★ Save
Data Analytics Interview Write a query to identify duplicate rows in a Transactions table based on customer_id, amount, and date. Read more ★ Save
Data Analytics Interview Write a query to find all customers who placed orders in every month of 2025. Read more ★ Save
Data Analytics Interview Write a SQL query to find the second highest salary from an Employees table without using LIMIT or TOP. Read more ★ Save