<ul data-eligibleForWebStory="true"><li>Materialized views in BigQuery improve query performance by precomputing query results.</li><li>Auto-refresh is essential for maintaining data freshness in materialized views.</li><li>Materialized views refresh within five minutes of base table changes in BigQuery.</li><li>BigQuery imposes a minimum refresh interval of 30 minutes to protect performance.</li><li>Auto-refresh can be enabled during view creation or using the ALTER statement.</li><li>Custom refresh intervals can be set between 1 minute and 7 days.</li><li>Shorter refresh intervals are suitable for real-time accuracy requirements.</li><li>Frequent refreshes for large tables can increase costs.</li><li>Monitoring job history in BigQuery helps in tracking refresh frequency.</li><li>Scheduled queries can provide more control than auto-refresh for materialized views.</li><li>Configuring auto-refresh optimally ensures data freshness without compromising performance.</li></ul>

Auto-Refresh for Materialized Views in BigQuery: Configuration and Best Practices

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