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”.

Blogs

Using Flyway Prepare for State-Based Deployments

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One of the neat enhancements made to Flyway was the addition of state-based workflows...

How I Migrated to Azure PostgreSQL Flex from Single Server

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I did a couple of posts previously on dumping/restoring Azure PostgreSQL databases and also...

Have a Plan for Your Personal Downtime

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Most of us know that spending a lot of time on social media and...

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Forums

WHERE condition using ='value' returns different results that using IN('value')

By MyDoggieJessie

Have an interesting scenario - user found a discrepancy with rows returned when running...

Complex Query (Multiple Tables & Joins) - Need to Restrict to Max Date

By gski

I am using the query listed below. USE GAGETRAK_26237 SELECT G.Gage_ID 'ID', G.Model_No 'Model',...

Unknown Token Received From SQL Server

By RonMexico

I have an issue when a stored procedure is executed from the SQL Server...

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Question of the Day

Hash Joins IV

What is a hash bailout?

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