Intelligent Query Processing: feature family additions


Part of the SQL Server 2022 blog series.

SQL Server 2022 introduces a handful of new members to the growing Intelligent Query Processing (IQP) family. These additions range from expanding and improving various query performance feedback mechanisms to adding two new featuresparameter sensitive plans (PSPs) and optimized plan forcing. In this blog, we give a general overview of these additions, with detailed feature-specific blogs to follow.

Feedback features

SQL Server 2022 introduces two new query plan feedback features: degree of parallelism feedback and cardinality estimation feedback, and it improves the overall experience of the existing feedback feature: memory grant feedback.

Memory grant feedback

Memory grant feedback