US Patent 11514041 Estimating materialized view refresh duration

Techniques for a database management system to estimate a time needed to refresh a materialized view. This is a followed by an approach that uses estimated refresh duration to determine an optimized schedule for refreshing the materialized view. The approach combines the refresh duration estimate with a query rewrite pattern prediction for the materialized view and a quiet period prediction for the materialized view to determine the optimized refresh schedule for the materialized view.