How to activate Automatic and manual refreshes of Materialized views in BigQuery || Gcp tutorial
#bigquery #dataengineer #gcp
Welcome to RR Digital GCP data engineer training...!!!
Join us in this comprehensive deep dive into Materialized Views in Google BigQuery as we explore the differences between automatic and manual refreshes. Learn how these features impact query performance, data freshness, and cost optimization strategies. Discover best practices and use cases for leveraging Materialized Views effectively in your BigQuery projects.
By default, materialized views are automatically refreshed within 5 minutes of a change to the base tables, but no more frequently than every 30 minutes.
Manual refresh of Materialized view example:
CALL BQ.refresh_materialized_view('big-query-380506.testing.empMaterializedView1’);
Note: minimum refresh interval 1 minute and max 7 days.
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