James Serra

James works at Microsoft as a big data and data warehousing solution architect where he has been for most of the last nine years. He is a thought leader in the use and application of Big Data and advanced analytics, including data architectures such as the modern data warehouse, data lakehouse, data fabric, and data mesh. Previously he was an independent consultant working as a Data Warehouse/Business Intelligence architect and developer. He is a prior SQL Server MVP with over 35 years of IT experience. He is a popular blogger (JamesSerra.com) and speaker, having presented at dozens of major events including SQLBits, PASS Summit, Data Summit and the Enterprise Data World conference. He is the author of the book “Deciphering Data Architectures: Choosing Between a Modern Data Warehouse, Data Fabric, Data Lakehouse, and Data Mesh”.

Blog Post

Serving layers with a data lake

Data lakes typically have three layers: raw, cleaned, and presentation (also called bronze, silver, and gold if using the medallion architecture popularized by Databricks). I talk about this is...

2023-08-28 (first published: )

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Blogs

SQL Server Wait Stats

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Everything in SQL Server is waiting for something…this is by design. And most people...

FabCon 2025 Recap

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Hey fellow data friends! Wow, March was an absolutely crazy month (in the best...

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We value your privacy. This policy explains what personal data we collect and why. What...

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Comments posted to this topic are about the item The Subtle Differences Between COALESCE...

SQL Server Collations

By Steve Jones - SSC Editor

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Why would using variables in place of hard coded numbers impact a query's performance? ...

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Question of the Day

SQL Server Collations

At what levels can we set the collation in SQL Server 2022?

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