The examples that I show here are based on the AdventureWorks Database for SQL Server 2016 CTP3. When I upgraded the application to SQL Server 2016, I got these benefits automatically with no change made to the application. In a single batch mode aggregation operator, SQL Server 2016, now processes multiple aggregates more efficiently on a table scan.
I have shared my experience with you, i.e., the performance gain that I observed, through practical examples. The factors considered for performance improvement tests are multiple aggregates, BatchMode in serial execution, string predicate pushdown, and aggregate pushdown. I will make the performance comparison between SQL Server 2014 and SQL Server 2016 for Columnstore Index and BatchMode Execution.
This article outlines the performance innovations in SQL Server 2016 for Columnstore Indexes and BatchMode Execution that allow SQL Server 2016 to run across a wide array of hardware configurations, faster and better than the previous releases of SQL Server.
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