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GCP Professional Data Engineer Practice Question

Your analytics team has a Looker Studio dashboard that repeatedly runs a 90-day aggregation query against the prod.analytics_events table. Costs are rising. You want to create a materialized view that pre-aggregates the same results, but you cannot modify the dashboard or its SQL. Which BigQuery feature lets the dashboard benefit from the materialized view without any changes?

  • Guaranteed up-to-the-second freshness of materialized views

  • Automatic linkage of Looker Studio reports to materialized views through JDBC driver metadata

  • Automatic query rewrite by the BigQuery optimizer to substitute an eligible materialized view

  • Automatic re-partitioning of the base table when a materialized view is created

GCP Professional Data Engineer
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