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You are a data analyst at EconoSense Analytics , a consulting firm that helps businesses detect economic trends in real time. As part of your analysis, you use Google BigQuery to correlate customer behavior with the average prices of the 100 most frequently purchased goods—such as bread, gasoline, and milk. The pricing data is refreshed every 30 minutes , and you need to ensure this dataset remains up to date and is efficiently combined with other BigQuery datasets—while keeping costs low . What should you do?