How the SQLCAT Customer Lab is Monitoring SQL on Linux

Reviewed By: Denzil Ribeiro, Dimitri Furman, Mike Weiner, Rajesh Setlem, Murshed Zaman Background SQLCAT often works with early adopter customers, bring them into our lab, and run their workloads. With SQL Server now available on Linux, we needed a way to visualize performance and PerfMon, being a Windows only tool, was no longer an option…. Read more

Improve query performance on memory optimized tables with Temporal using new index creation enhancement in SP1

Reviewed by: Dimitri Furman,Sanjay Mishra, Mike Weiner With the introduction of the Temporal feature in SQL 2016 and Azure SQL Database, there is an ability to time travel through the state of data as it was at any given point of time. Alongside In-Memory OLTP, Temporal on memory optimized tables allows you to harness the… Read more

SQLSweet16!, Episode 7: Install Option for Instant File Initialization

Reviewed by: Dimitri Furman, Kun Cheng, Denzil Ribeiro Database Instant File Initialization helps improve performance of certain file operations. Prior to SQL Server 2016, enabling instant file operation has been cumbersome (editing the Local Security Policy to add the SQL Server service account to the Perform Volume Maintenance Tasks policy, followed by restarting SQL Server… Read more

Migrating data to Azure SQL Data Warehouse in practice

Authors: Rangarajan Srirangam, Mandar Inamdar Contributors and Reviewers: John Hoang, Sanjay Mishra, Alexei Khalyako, Sourabh Agarwal, Osamu Hirayama, Shiyang Qiu Overview: Migrate data to Azure SQL Data Warehouse Azure SQL Data Warehouse is an enterprise-class, distributed database, capable of processing massive volumes of relational and non-relational data. It can deploy, grow, shrink, and pause in seconds. As… Read more

Real World Parallel INSERT…SELECT: What else you need to know!

Arvind Shyamsundar Reviewed by: Gjorgji Gjeorgjievski, Sunil Agarwal, Vassilis Papadimos, Denzil Ribeiro, Mike Weiner, Mike Ruthruff, Murshed Zaman, Joe Sack In a previous post we have introduced you to the parallel INSERT operator in SQL Server 2016. In general, the parallel insert functionality has proven to be a really useful tool for ETL / data… Read more

SQL Server 2016 SSIS Data Flow Buffer Auto Sizing capability benefits data loading on Clustered Columnstore tables

  Reviewers: Joe Sack, Arvind Shyamsundar, Murshed Zaman, Sanjay Mishra  The focus of this blog is to introduce SSIS changes in the Data Flow task in SQL Server 2016 that help data loading into Columnstore tables. On SQL Server relational data warehouses, Columnstore indexes are being widely used due to the immense value realized by… Read more

Soften the RBAR impact with Native Compiled UDFs in SQL Server 2016

Reviewers: Joe Sack, Denzil Ribeiro, Jos de Bruijn Many of us are very familiar with the negative performance implications of using scalar UDFs on columns in queries: my colleagues have posted about issues here and here. Using UDFs in this manner is an anti-pattern most of us frown upon, because of the row-by-agonizing-row (RBAR) processing… Read more

SQLCAT.Com – eBook Downloads

As of September 1, 2013 we decided to remove SQLCAT.COM site and use MSDN as the primary vehicle to post new SQL Server content. This was done to minimize reader confusion and to streamline content publication.  MSDN SQLCAT blogs already includes most SQLCAT.COM Content and will continue to be updated with more SQLCAT learnings.  You can also… Read more

SQLCAT.com consolidated index of Whitepapers

In an effort to migrate as much content as possible from SQLCAT.com to the MSDN SQL CAT site we have consolidated all of the Whitepapers published over the last few years.   While all of the content actually exists on Technet and MSDN download sites, SQLCAT was a great resource to start looking.  Hopefully this will… Read more

Performance Guidance for SQL Server in Windows Azure Virtual Machines

Authors: Silvano Coriani, Jasraj Dange, Ewan Fairweather, Xin Jin, Alexei Khalyako, Sanjay Mishra, Selcin Turkarslan Technical Reviewers: Mark Russinovich, Brad Calder, Andrew Edwards, Suraj Puri, Flavio Muratore, Hanuma Kodavalla, Madhan Arumugam Ramakrishnan, Naveen Prakash, Robert Dorr, Roger Doherty, Steve Howard, Yorihito Tada, Kun Cheng, Chris Clayton, Igor Pagliai, Shep Sheppard, Tim Wieman, Greg Low, Juergen… Read more