Question: please show me in plain language and coding question 2 and 3 Question 2 - Apply the correct aggregate function to get certain answers: SUM,
Question 2 - Apply the correct aggregate function to get certain answers: SUM, COUNT, AVERAGE Question 3 - Query the dataset to identify the duplicate entries in the query output. 3.1 - Use a query to determine the 3rd oldest employee in the department
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