David Sumlin

David Sumlin has run his own contracting business for the last 6 years and has been involved in SQL development for the last 8 years. He and his team of skilled developers have tried to stay up to date with Microsoft development technologies when it comes to SQL and .net. For the last few years, HeadWorks Inc. has been focused on data warehouses and marts and the reporting applications that interact with them for large financial institutions. When David isn't coding, he's out looking for birdies!

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Blogs

Better Trigger Design: #SQLNewBlogger

By

I had someone ask me about using triggers to detect changes in their tables....

AZ-900: Microsoft Azure Fundamentals – The Ultimate Beginner’s Guide to Cloud Mastery

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In an era where cloud computing drives innovation, understanding its fundamentals is no longer...

Moving to Rancher Desktop

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I’ve been very happy with Docker Desktop for years, running it on both laptop...

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Forums

SQL - Conditional merge join

By SQL Bee

I want to add a condition in the joining columns part of the merge...

Is there a way to implement ROWS between logic?

By water490

Hi everyone SUM function has the option to select ROWS BETWEEN parameter to allow...

Tracking changing prices and recalculating inventory value

By pietlinden

I'm trying to figure out a how to do average costing over time in...

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Question of the Day

What is Between?

I have a table of products in SQL Server 2022. There are sequential items in the table with ProductIDs of 1, 2, 3, 4, 5, 6, 7, 8, 9, 10. If I run this code, how many rows are returned? 

SELECT *
FROM dbo.Products
WHERE ProductID
BETWEEN 4 AND 7;

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