Bert Wagner

Bert Wagner is a Business Intelligence Developer at Progressive Insurance. He enjoys solving challenging data transformations with T-SQL and optimizing for query performance. In addition to BI development, Bert loves building ASP.NET MVC web apps and building Internet of Things projects.

Blog Post

COUNT, DISTINCT, and NULLs

Watch this week’s episode on YouTube.
One thing I see fairly often (and am occasionally guilty of myself) is using COUNT(DISTINCT)...

2019-03-05 (first published: )

3,518 reads

Blog Post

Why make?

This post is a response to this month’s T-SQL Tuesday #111 prompt by Andy Leonard.  T-SQL Tuesday is a way...

2019-03-01 (first published: )

3,224 reads

Blog Post

Searching Complex JSON Data

Watch this week's video on YouTube
Computed column indexes make querying JSON data fast and efficient, especially when the schema of the JSON data is the same throughout a table.
It's...

2019-02-26

9 reads

Blog Post

Searching Complex JSON Data

Watch this week's video on YouTube
Computed column indexes make querying JSON data fast and efficient, especially when the schema of the JSON data is the same throughout a table.
It's...

2019-02-26

17 reads

Blog Post

COUNT, DISTINCT, and NULLs

Watch this week's video on YouTube
One thing I see fairly often (and am occasionally guilty of myself) is using COUNT(DISTINCT) and DISTINCT interchangeably to get an idea of the...

2019-02-19

15 reads

Blogs

“We love to debate minutiae”

By

I am guilty as charged. The quote was in reference to how people argue...

Advice I Like: Knots

By

Learn how to tie a bowline knot. Practice in the dark. With one hand....

Shifting Mindsets: Why FinOps is Essential for Cloud Efficiency

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As a DevOps practitioner, I’ve always focused on performance, scalability, and automation. But as...

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Forums

how to write this query?

By water490

Hi everyone I asked this earlier but the desired outcome is a bit different...

Windows logins for users migrated from DomainA to DomainB

By a.koopman

Hi, I have a SQL Server instance where users connect to via Windows Authentication,...

Multiple Deployment Processes

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Multiple Deployment Processes

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Question of the Day

Upgrading Admin Queries

I have a query from a former DBA that we run on SQL Server 2025 to check on database metadata. This query references sys.sysaltfiles. I want to refactor this code to be more modern. Which DMV should I reference instead?  

See possible answers