Considerations when tuning your queries with columnstore indexes on clone databases

As discussed in my previous blog post, one of the primary scenario for DBCC CLONEDATABASE is to assist dbas, developers and support teams in troubleshooting sub-optimal query plans by creating fast, minimally invasive and transaction ally consistent database clones of their production databases. The database clone created using DBCC CLONEDATABASE contains the copy of schema…


Columnstore Index: SQL Server 2016 – Improved DMV performance

SQL product team has made significant improvements in columnstore index functionality, supportability and performance in SQL Server 2016 based on the customer feedback. This blog post focuses on the performance improvements on a DMV done as part of our latest servicing release of SQL Server 2016, SQL Server 2016 SP1 CU1 and SQL Server 2016 RTM CU4. For…


Columnstore Index Performance: SQL Server 2016 – String Predicate Pushdown

SQL product team has made significant improvements in columnstore index functionality, supportability and performance during SQL Server 2016 based on the feedback from customers. This blog series focuses on the performance improvements done as part of SQL Server 2016. Please refer to one of the previous blogs No performance cliff for details. The topic of this…

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Columnstore Index Performance: SQL Server 2016 – Multiple Aggregates

SQL product team has made significant improvements in columnstore index functionality, supportability and performance during SQL Server 2016 based on the feedback from customers. This blog series focuses on the performance improvements done as part of SQL Server 2016. Customers will get these benefits automatically with no changes to the application when they upgrade the application…

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