Kevin3NF

Kevin Hill is a career SQL Server DBA living in Dallas, TX. His specialities include HA/DR, Best Practice configuration, Performance tuning and teaching new and accidental DBAs
  • Interests: Cycling, family, sci-fi, DBA stuff

Blog Post

SQL Server Index Primer

Indexes 101: What, Why, and When? “What Is an Index?” I get this question a lot, especially from developers and sysadmins who’ve been handed a SQL Server and told,...

2025-05-12 (first published: )

247 reads

Blog Post

SQL Server Wait Stats

Everything in SQL Server is waiting for something…this is by design. And most people never think about it… Until your application is waiting to complete its request, sell the...

2025-04-30 (first published: )

367 reads

Blogs

Better Trigger Design: #SQLNewBlogger

By

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

SQL Server in the Cloud – Are DBAs Still Needed?

By

Things your cloud vendor may not tell you   Here’s a common theme I...

ColumnStore Indexes: The Secret to Fast SQL Queries

By

🎥 Columnstore Indexes in SQL Server – A Practical Guide with Real-World Examples 🔍...

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Forums

Dropping a PK constraint.

By stevec883

I will have to test this next week, but will not have a chance...

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...

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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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