
From ETL mishaps to data triumphs - chronicles of a data whisperer.
I'm Justin Mullis,
a Senior Database Operations Engineer
I share expert insights on Azure Data Factory, SQL Server, ETL, and Python — everything I’ve learned (and broken) along the way. Whether you're building your first data pipeline or scaling enterprise systems, you’ll find actionable tips, reusable patterns, and real-world solutions here.
Master the basics of Azure Data Factory (ADF) with this step-by-step guide to integrating API responses with SQL. Learn how to use web activities for fetching JSON data, write responses to Azure Blob Storage, normalize data with data flows, and load it into a staging SQL table using the copy activity.