The GO Barrier: Why SSMS Multi-Server Query Waits for the Slowest Connection

I deployed a schema change to 30 servers using multi-server query and deploy-at-low-priority. Small servers with zero activity showed no progress, and then all 30 finished at the same...

KDA: Echoes of Deception - Case 7

A fugitive cyber-criminal, a wingsuit, and 24 million flight records. Somewhere between Doha and Dublin, Krypto jumped between planes mid-air.

KDA: Echoes of Deception - Case 6

A cryptic message, a book cipher hidden in art provenance records, and a trail of clues leading to the leader of a shadowy cyber organization.

Red Flags in Your Query (T-SQL Tuesday #200)

When I'm looking at a query, I bet it's bad if I see... a shopping list of red flags I've learned to spot, from AI-generated code to SSMS map...

KDA: Echoes of Deception - Case 5

A deleted podcast episode, 17 million archive log entries, and KQL's time series analysis to find the backup that was never supposed to survive.

KDA: Echoes of Deception - Case 4

Someone hacked Digitown's municipality and stole classified documents. 45 million rows of router traffic, an IP lookup table, and KQL's anomaly detection to find who did it.

My Toolbox - AI

I trusted AI to redesign this entire blog. The layout, the CSS, the deployment pipeline, the shortcodes. I use it to build home automation, organize my notes, fix my...

Inspecting TSQL Abstract Syntax Trees

TSQL ScriptDOM is a useful library for parsing scripts into an abstract syntax tree. I've built a web tool that helps visualize this tree as a learning exercise.
Foreword
I've leveraged...

KDA: Echoes of Deception - Case 3

The crime spree in Digitown is not ending. This time 20 cars have been stolen and we need to find where they’re stored.
The problem
This is the abridged case description....

KDA: Echoes of Deception - Case 2

The people of Digitown are being targeted by phishermen, and they need my help to stop them in their tracks.
The problem

The police have asked for our assistance, and we’ve...