My Toolbox - Greenshot

Foreword
A picture is worth a thousand words. I use screenshots daily, whether it’s to share results, how-to tutorials, point out mistakes or create memes.
None of the tools I’ve tried...

Scary Scalar Functions - Part Three: The Cure

Scary Scalar Functions series overview

Part One: Parallelism
Part Two: Performance
Part Three: The Cure

Foreword
In the first two parts, we have seen why the Scalar functions (UDFs) are a problem for the...

What's in a name? (T-SQL Tuesday #152)

Foreword
This month’s invitation is from Deborah Melkin (b|t), about venting anything you want. So let’s start this rant.

There are only two hard things in Computer Science: cache invalidation and...

Scary Scalar Functions - Part Two: Performance

Scary Scalar Functions series overview

Part One: Parallelism
Part Two: Performance

Foreword
In the second part of this series, we’ll look at how Scalar functions (or UDFs) affect performance.
If you want to follow...

What is causing my constraint to be untrusted?

The problem
In this scenario, you have discovered that one of your Check constraints or Foreign keys is not trusted.
Maybe you’ve detected it with a sp_Blitz, dbachecks or out of...

Scary Scalar Functions - Part One: Parallelism

Foreword
I’m still surprised many people don’t realise how lousy Scalar functions (aka User Defined Functions aka UDFs) are. So because it’s my current focus in work and this Stack...

Coding Standards (T-SQL Tuesday #151)

Foreword
This month’s invitation is from Mala Mahadevan, and it’s about coding standards. Fortunately, I may forget several basic ones because my team probably eradicated them long ago.
I’ll go with...

New Extended Events in SQL Server 2022

SQL Server 2022 CTP is here
It has been announced today (2022-05-24) during the MS Build event. The blog post includes a download link. Unfortunately, the Docker container is...

Efficient Cheating at Lego Video Games

Foreword
I’ve started to play Lego Video games with my daughter, and since it’s one of her first games, it can be a little frustrating.
Even though there are no high...

Cross DB Access With Module Signing

Foreword
I’ve recently had to revisit this topic and spent a lot of time recalling the details. So I’m writing this blog post mainly as a reminder for myself.
The most...