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

Syncing SQL databases

There are various ways to keep SQL Server databases and SQL Database/SQL Managed Instance (SQL MI) databases in-sync asynchronously that I will discuss in this blog. The main use...

2021-01-04

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Blogs

Performance tuning KubeVirt for SQL Server

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Following on from my last post about Getting Started With KubeVirt & SQL Server,...

T-SQL Tuesday #193 – A Note to Your Past, and a Warning from Your Future

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I haven’t posted in a while (well, not here at least since I’ve been...

Keeping MS Docs Up to Date

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One of the things that I like about the SQL Server docs (MS Learn...

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Forums

Change Tracking – Troubleshooting

By Phil Parkin

I have change tracking configured in several databases, in QA and production environments, and...

is there a no code way to limit an ssis extract from excel to the 1st 21 rows?

By stan

is there a no code way to limit an ssis extract from excel to...

Pivot but preserve all rows on Aggregate column

By getsaby

Hello Need help in pivoting this data set, the Pivot takes MIN/MAX on a...

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Question of the Day

What is the PRODUCT

In SQL Server 2025, what does this return?

CREATE TABLE Numbers
( n INT)
GO
INSERT dbo.Numbers
(
n
)
VALUES
(1), (2), (3)
GO
SELECT PRODUCT(n)
FROM dbo.Numbers

See possible answers