Data Analytics Interview Write a query to identify employees who have never taken a single day of leave in the last two years. Read more ★ Save
Data Analytics Interview Write a query using a CTE to calculate a 7-day moving average of website visits. Read more ★ Save
Data Analytics Interview Write a query to find the first purchase date and last purchase date for every customer. 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