Scenario: You are tasked with calculating the total revenue for each product category from a DataSet containing sales data. How would you achieve this using LINQ to DataSet?

In LINQ to DataSet, the GroupBy clause is used to group records based on a specified key. By grouping sales data by product category, you can then calculate the total revenue for each category. Thus, using GroupBy followed by an aggregation function like Sum allows you to achieve the task of calculating total revenue for each product category.