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

Introduction to Hadoop

Hadoop was created by the Apache foundation as an open-source software framework capable of processing large amounts of heterogeneous data-sets in...

2014-03-11 (first published: )

8,314 reads

Blog Post

PolyBase explained

PolyBase is a new technology that integrates Microsoft’s MPP product, SQL Server Parallel Data Warehouse (PDW), with Hadoop.  It is designed to...

2014-02-25 (first published: )

18,157 reads

Blogs

T-SQL Tuesday #192 Invitation: SQL Server 2025 Excitement

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Question of the Day

Getting the Indexed Columns

I run this code on SQL Server 2022 to get a list of all the indexes and their key columns. What is returned?

SELECT   
    INDEX_COL (N'AdventureWorks2017.Sales.SalesOrderDetail')

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