Welcome

Hi, I’m Rajanand—a Data Engineer from Bangalore with 13+ years of experience in data platforms, cloud solutions, and analytics. I’m passionate about unraveling complex technical topics, crafting ETL pipelines, and building modern data warehouses. I love sharing knowledge through documentation, note-taking, and soon, deep-dive articles on Substack.

Articles

1. Predicate pushdown in Spark

2. SQL Server Performance tuning and troubleshooting checklist

3. How to generate numbers table in SQL?

4. How to concatenate multiple rows into a single string in SQL?

5. How to enable dark mode in SSMS?

Contact

Send me a message on LinkedIn or book a meeting.