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

Levels in IT consultancy

The Big 5 IT consulting companies (Accenture, Deloitte Consulting, PwC (formerly PricewaterhouseCoopers LLP), KPMG, Ernst & Young) have various titles given to consultants along...

2013-06-13

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Blogs

A New Word: on tenderhooks

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on tenderhooks – adj. feeling the primal satisfaction of being needed by someone, which...

Ramblings about data communities and your contributions, no excuses

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I have been active in the data community throughout my career. I have met...

SQL Server Journey till 2025 (brief)

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Quick Summary for Microsoft SQL Server till 2025, I am fortunate to be part...

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Forums

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hi, in an ssis  for each loop over an object variable called MyListVariable, i...

Simulating Mercury’s Orbital Motion Using Pure T-SQL (NASA 2025 Dataset)

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SQL Server is typically viewed as a transactional or analytical database engine. However, it...

Azure SQL Database | CREATE EVENT SESSION [Blocking_Capture] ON DATABASE

By DanielP

Hello, Is there a way in Azure SQL Database to change the 'Blocking Process...

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Question of the Day

String Similarity I

On SQL Server 2025, when I run this, what is returned?

SELECT EDIT_DISTANCE_SIMILARITY('SQL Server', 'MySQL')

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