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Arun Sirpal

Arun Sirpal is currently a two-time Data Platform Microsoft MVP, specialising in Microsoft Azure and Database technology. A frequent writer, his articles have been published on SQL Server Central and Microsoft TechNet alongside his own personal website. During 2017/2018 he worked with the Microsoft SQL Server product team on testing the vNext adaptive query processing feature and other Azure product groups. Arun is a member of Microsoft’s Azure Advisors and SQL Advisors groups and frequently talks about Azure SQL Database.

Education, Membership & Awards

Arun graduated from Aston University in 2007 with a BSc (Hon) in Computer Science and Business. He went on to work as an SQL Analyst, SQL DBA and later as a Senior SQL DBA and now DBA Team Lead. Alongside his professional progress, Arun became a member of the Professional Association for SQL Server. He became a Microsoft Most Valued Professional (MVP) in November 2017 and he won it for the second year in 2019.

You can find Arun online at:

The Query Store – SQL Server

The Query Store was introduced back in SQL Server 2016 and with the incoming release of SQL Server 2019, it remains a very important feature to know and understand to utilise in performance tuning exercises. Not only is this feature available with on-premises SQL Server but it is a key tool to use when troubleshooting performance issues in Azure SQL Database.
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About Azure SQL Database Managed Instance

The purpose of this article is to discuss what Azure SQL Database Managed Instance is. This will then lay a foundation to explore the capabilities of this deployment model. We will discuss some advantages it can bring to your infrastructure with a cross comparison against on-premises SQL Server. Finally, we look at some important networking configuration that you will need to be aware of when evaluating it.
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Azure SQL Database DTU Versus vCore

Using a DTU (Database Transaction Unit) based model was always the way to size and configure an Azure SQL Database, that was until recently where Microsoft developed a vCore based model to size cloud-based databases. This article will compare at a high level these very different options and why you would select one model over the other.
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