sp_helptext has served SQL Server DBAs for years, but it has its very obvious – and many – limitations: broken lines, missing triggers, no help with encrypted objects, to name just a few. That’s where sp_showcode comes in…
2026-01-21
After years of writing T-SQL a certain way, changing can be tough. When comparing tables for missing rows, developers often use LEFT JOIN.
2026-01-19
Learn how attackers can exploit SQL Server replication cleanup jobs to escalate privileges from db_owner to sysadmin
2026-01-16
Power BI Desktop is Microsoft’s platform for analytics and visualization. The product has been around for over ten years, making it a mature feature-rich choice for business intelligence reporting and actionable insights. How do you get started downloading, installing, and configuring Power BI desktop?
2026-01-14
Learn why SQL Server shows ‘Invalid object name’ errors and how to fix them.
2026-01-12
Random number generation is vital in computer science, supporting fields like optimization, simulation, robotics, and gaming. The quality, speed, and sometimes security of the generator can directly affect an algorithm’s correctness, performance, and competitiveness. In Python, random number generation is well-supported and widely used. In this article, we will look how to we can use SQL to do this.
2026-01-09
When there’s a performance emergency, a lot of us perform the same manual tasks over and over. We run sp_BlitzWho or sp_WhoIsActive, look for blocking, long-running or out-of-control queries, and kill them.
2026-01-07
Sometimes we cannot improve query performance because we don’t have control over the code. Consider a query that is generated by Entity Framework (EF) from the application and you do not have access to the source code. The main question is how you can improve SQL Server query optimization for a poorly performing query?
2026-01-05
This article covers the 10 key concepts developers should understand to avoid surprises and to use the model database intentionally.
2026-01-02
Just like advances in artificial intelligence, I have heard that quantum computing is going to be a disruptive technology for our future. For instance, there’s the concern that it’s going to break/crack a lot of network encryption and potentially data encryption. What’s going to be affected, how long do we have, and what do I (and my organization) need to do to prepare for it?
2025-12-31
By gbargsley
One of the first things I review when I inherit a new SQL Server...
By Arun Sirpal
It’s 07:43. Someone’s already left a message. “Something’s wrong with the DB server.” You...
By davebem
I’ve had a Dropbox account for years. Like a lot of people, I started...
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I have a SQL Server 2022 English default installation on a server. I want to detect if there are any upper case characters in rows and I have this code:
SELECT CustomerNameID,
CustomerName
FROM dbo.CustomerName
WHERE CustomerName = LOWER(CustomerName)
Here is the sample data I am testing with:
CustomerNameID CustomerName 1 John Smith 2 Sarah Johnson 3 MICHAEL WILLIAMS 4 JENNIFER BROWN 5 david jones 6 emily davis 7 Robert Miller 8 LISA WILSON 9 christopher moore 10 Amanda TaylorHow many rows are returned? See possible answers