SQLPerformance.com

SQLPerformance.com is about providing innovative and practical solutions for improving SQL Server performance. Whether you are running a 3rd party application database where very little can be changed, or you are a DBA at a site where getting the application developers to change anything is next to impossible, industry experts including Paul Randal, Jonathan Kehayias, Erin Stellato and Paul White will cover both the "how" and the "why."

Articles by SQLPerformance.com

Guest author Dustin Dorsey shows how to prepare for a migration to Azure SQL Database by sending SentryOne monitoring data to the DTU calculator.
Paul White goes deep on grouped aggregation pushdown, and explains examples where this optimization is unsuccessful or simply not attempted, using the undocumented command DBCC CSINDEX.
April 23, 2019 | SQLPerformance.com | SQL Server, ColumnStore 0
Itzik Ben-Gan asks you to invest in SQL Server's future by voting for Row Pattern Recognition, a potential T-SQL syntax extension he deems the next step in the evolution of window functions.
April 10, 2019 | SQLPerformance.com | T-SQL, SQL Server 0
Glenn Berry talks about the AMD EPYC CPUs now found in Azure Virtual Machines (in some regions) and their usage in balanced SQL Server workloads.
April 8, 2019 | SQLPerformance.com | Azure 0
Paul White explains why the IGNORE_DUP_KEY index option on a clustered index can result in much poorer performance than for a nonclustered unique index.
Rob Farley talks about filtered indexes and when you might want to add filtered columns to the index definition.
March 29, 2019 | SQLPerformance.com | T-SQL, SQL Server 0
Tim Radney explains some of the nuances of performance tuning your workloads in Azure SQL Database and Azure SQL Database Managed Instance.
Itzik Ben-Gan starts a new blog series on T-SQL bugs, pitfalls, and best practices, leading off with some common issues involving determinism.
March 13, 2019 | SQLPerformance.com | T-SQL, Best Practices 0

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