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.
SQL Server 2014 is now at Service Pack 3, with plenty of enhancements back-ported from recent SQL Server 2016, 2017, and 2019 updates.
Aaron Bertrand shares his slide decks and demos from two recent presentations at CodeStock in Knoxville, TN.
The user documentation for the new SentryOne Test product is now available on the SentryOne Docs website.
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.
Poor-quality data is a common problem that affects companies of all sizes in all industries. Understanding where to implement data validation tests to solve for it is another challenge. SentryOne Test is designed to solve problems at every stage of the data lifecycle.
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.
In April 2018, SentryOne opened its first international office with the establishment of its EMEA headquarters in Dublin, Ireland. To mark the location’s first anniversary, SentryOne CEO Bob Potter reflects on the reasons why Dublin was chosen for this key development and its ongoing success.
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.
If you help your customers manage their data estate, you could be the one taking the brunt of their frustration when their data doesn’t provide the value they expect. Data testing and validation are vital to ensuring the accuracy of the data that your customers are using to make business decisions, yet many businesses balk at the amount of time and effort required to complete these tasks. Now you can offer a better solution with SentryOne Test.
Rob Farley talks about filtered indexes and when you might want to add filtered columns to the index definition.
SentryOne partners, you can provide your customers with significant value, saving them time and money, by offering an easy way to fully document databases, including data lineage. Understanding the source of data, and how the source of data has changed over time, is critical to ensuring compliance with data privacy regulations such as GDPR, HIPAA, and CASL, as well as executing on established business rules.
A Historical Account of the Professional Association of SQL Server (PASS) Lately, I've been asked many questions about the history and foundation of PASS. As an "old-timer", I like to think it's my prerogative to wax poetic about the old days. But it's also important to be able to answer those questions asynchronously and in […]
Tim Radney explains some of the nuances of performance tuning your workloads in Azure SQL Database and Azure SQL Database Managed Instance.
SentryOne Test, our new SaaS-based data test and validation solution, has been released into public preview. Find out how to take advantage of special preview pricing.