SQLBits 2019
From adaptive to intelligent: query procesing in SQL 2019
SQL Server 2019 includes new query processing features such as batch mode on rowstore, memory grant feedback, approximate query processing, and more. How do these work? Are they as good as Microsoft wants us to believe?
As announced in September 2018, SQL Server 2019 expands the "adaptive query processing" features of SQL 2017 and relabels them as "intelligent query processing". This name now covers many features, such as batch mode on rowstore, memory grant feedback, interleaved execution, adaptive joins, deferred compilation, and approximate query processing.
In this high-paced session, we will look at all these features and cover some use cases where they might help - or hurt! - you.
In this high-paced session, we will look at all these features and cover some use cases where they might help - or hurt! - you.