Questions tagged [adaptive-joins]

Use for questions regarding Batch Mode Adaptive Joins in SQL Server 2017

Adaptive Joins occur when a query executed in Batch Mode defers join choice to later in query execution based on row thresholds.

2 questions

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SQL server 2019 adaptive join poor performance

I upgrade SQL Server from 2016 to 2019, the query plan of my query changed and it used adaptive join, but unfortunately the duration of query increase to 1 minute from 1 second, I changed the join order and the problem was solved The T-SQL…

sql-server query-performance adaptive-joins

asked Oct 28 '20 at 13:38

Ferfere

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1 answer

SQL Server 2017: How do Batch Mode Adaptive Joins work?

Batch Mode Adaptive Joins are part of a family of features in the 2017 query processor that consists of: Batch Mode Adaptive Joins Interleaved Execution Batch Mode Memory Grant Feedback So how do Adaptive Joins work?

sql-server sql-server-2017 adaptive-joins

asked Oct 04 '17 at 00:09

Erik Reasonable Rates Darling

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