Arjun Sivadasan

Hi, I am Arjun Sivadasan. I am a Data Engineering and Analytics manager with 14 years of experience. I have worked in various data-focused roles, developing and maintaining mission critical data-driven solutions in transaction and analytics environments. I am adept at mapping business goals to technology road map. Most of my work has been on data strategy, data architecture, data platform modernization and analytics. I enjoy speaking about databases and analytics at local user group events.

Interests: Cycling, Cooking, Motorbikes

Website: http://www.sqlroadie.com
LinkedIn: https://www.linkedin.com/in/arjunsivadasan/

Part 1: Predictive Modeling using R and SQL Server Machine Learning Services

by Arjun Sivadasan

SQL Roadie

To R or not to R? A few months ago, I asked myself an important question – which language to learn first – R or Python? From my research,...

2018-11-12

12 reads

Part 1: Predictive Modeling using R and SQL Server Machine Learning Services

by Arjun Sivadasan

SQL Roadie

To R or not to R?
A few months ago, I asked myself an important question – which language to learn first...

2018-11-12

625 reads

Azure Cosmos DB Free Trial – walk through of Gremlin API for Graph

by Arjun Sivadasan

SQL Roadie

After the 2018 Microsoft Ignite event, Microsoft announced a free trial of Azure Cosmos DB. For those who are eager...

2018-10-12 (first published: 2018-10-01)

2,448 reads

Azure Cosmos DB Free Trial – walk through of Gremlin API for Graph

by Arjun Sivadasan

SQL Roadie

After the 2018 Microsoft Ignite event, Microsoft announced a free trial of Azure Cosmos DB. For those who are eager to check out Cosmos DB, this is a great...

2018-10-01

12 reads

Azure Cosmos DB – Partition and Throughput

by Arjun Sivadasan

SQL Roadie

In my previous article Introduction to Azure Cosmos DB, I mentioned Partition and Throughput only briefly. Adopting a good partition scheme...

2018-08-17 (first published: 2018-08-05)

2,177 reads

Export data from Cosmos DB to SQL Server

by Arjun Sivadasan

SQL Roadie

Cosmos DB is Microsoft’s latest NoSQL database offering low latency, high scalability and geo-distribution to any Azure region. Read Microsoft...

2018-04-29

2,604 reads

Introduction to Azure Cosmos DB

by Arjun Sivadasan

SQL Roadie

What is Azure Cosmos DB?
Cosmos DB started as an internal project – “Project Florence” – at Microsoft in 2010. It is a...

2018-04-29

400 reads

Live Query Statistics – SQL Server 2016

by Arjun Sivadasan

SQL Roadie

SQL Server Management Studio (SSMS) 2016 has a handy new feature to View Live Query Statistics. This feature also works...

2018-03-07

172 reads

Because loyalty is a two-way street

by Arjun Sivadasan

SQL Roadie

Moving a dog to Australia with no money at hand
I always had plans to move to Brisbane, Australia, where my...

2016-02-27

228 reads

Database Mail shutting down. Mail queue has been stopped.

by Arjun Sivadasan

SQL Roadie

DB mail in our production servers started acting up last week. We have SQL Server 2012 SP1. There were a couple...

2015-07-27

1,533 reads

Blogs

Claude Code Helps Analyze Test Data Manager Log Files

I had a customer ask about analyzing their Test Data Manager (TDM) usage to...

PowerPoint to HTML with Claude AI

I had an idea for an animated view of a sales tool, and started...

Don’t Miss Out – SQL Server Query Tuning Fundamentals Starts Next Monday!

By Klaus Aschenbrenner

Next Monday, February 9, 2026, my one-day live online training SQL Server Query Tuning...

Read the latest Blogs

Forums

SQL Server 2025 Query Performance Tuning: Troubleshoot and Optimize Query Performance

Comments posted to this topic are about the item SQL Server 2025 Query Performance...

Is it uncommon for Dev's to have a data model of the source data

By Coffee_&_SQL

This is a generic question. To the moderators, I wasn't sure where to place...

ROLLUP to calculate Month total for all Categories

Good Afternoon, I have built a table with four columns: Period(Month), Category, Numerator, Denominator....

Visit the forum

Question of the Day

Creating JSON I

On SQL Server 2025, what happens when I run this code:

SELECT JSON_OBJECTAGG( 'City':'Denver')
GO

See possible answers