Google Professional Data Engineer

Google Professional Data Engineer

Get started today

Ultimate access to all questions.


You manage a database that stores stock trades and an application calculating the average stock price for a specific company within a customizable timeframe. The data is stored in Cloud Bigtable, with the trade datetime at the start of the row key. As more stocks are added and thousands of users access the application simultaneously, performance is declining. What is the best way to improve your application's performance under these conditions?