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

11 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

615 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)

2,441 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

9 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)

2,172 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

2,589 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

394 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

168 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

224 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

1,423 reads

Blogs

SQL Server is Slow, part 3 of 4

In parts 1 and 2 of this series, we’ve gathered info and done the...

AI Model Size, Parameters and Download

At SQL Saturday Boston 2025, I gave a presentation on local LLMs and there...

SplashFlag - Building an IoT Swimming Notification Device from Scratch

After setting up dozens of Internet of Things (IoT) smart home devices, I started...

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Forums

caught off guard by some greek lettering in a warehouse feed

Hi we run 2019 standard. Our warehouse's ssis based etl is klunky but so...

Unlocking High-Concurrency Inserts in SQL Server with OPTIMIZE_FOR_SEQUENTIAL_KEY

By Chandan Shukla

Comments posted to this topic are about the item Unlocking High-Concurrency Inserts in SQL...

Vector Datatype

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Vector Datatype

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Question of the Day

Vector Datatype

The new Vector datatype in SQL Server 2025 is a binary type that has a few parameters. What parameters are required?

See possible answers