At MarketMinds Inc. , you process terabytes of customer behavioral data streaming daily from Google Analytics into BigQuery . Your customers’ profile details—such as preferences—are stored in two systems: A Cloud SQL for MySQL instance A Cloud SQL for PostgreSQL instance (used for your CRM database) The marketing team wants to leverage both the behavioral data and customer information to run marketing campaigns targeted at yearly active customers . These campaigns may run over 100 times daily , and up to 300 times during high-traffic events like sales. You must enable frequent querying without overloading the Cloud SQL databases . What should you do?