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....
2025-06-09 (first published: 2025-05-16)
262 reads
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...
2025-06-02 (first published: 2025-05-13)
188 reads
Another KDA case: Digitown’s utility bills suddenly doubled for no good reason. With the election coming up, I got pulled in to figure out what went wrong. I’ve got...
2025-05-30 (first published: 2025-05-02)
191 reads
I’ll walk through the KDA UI and tackle the first challenge before diving into the real cases.
The UI layout
This is what your layout might look like:
LHS menu where you...
2025-05-12 (first published: 2025-04-26)
24 reads
While I mostly write about SQL Server, I have a soft spot for Kusto. In this series, I will explore solutions to fun challenges collectively known as the Kusto...
2025-04-27 (first published: 2025-04-26)
77 reads
Learn how to deploy schema changes in an always-online SQL Server environment without a maintenance window. This utility reduces blocking and improves deployment success.
The problem
I attempted to deploy a...
2025-03-19 (first published: 2025-03-07)
188 reads
I haven’t had a rant post in a while. There is a saying: “Anything before the word ‘but’ is ignored”. I love Extended Events, but …
reading the extended event...
2024-11-04 (first published: 2024-10-18)
401 reads
I originally planned this post just as an answer to DBA Stack Overflow question: How can I get the list of tables in all the stored procedure? After preparing...
2024-09-13 (first published: 2024-08-26)
257 reads
This month’s invitation is from Mala Mahadevan (b) asking us how we manage the database code. Since this is my passion project, I have a few basic tips to...
2024-09-06 (first published: 2024-08-13)
405 reads
This post is dedicated to all 10 other DBAs that use Service Broker (you know who you are).
The main reason for this blog post is that I’ve got no...
2024-08-19 (first published: 2024-08-09)
170 reads
By Brian Kelley
If you're not having success in convincing your organization to send you to this...
By Rohit Garg
When deploying SQL Server in enterprise environments, choosing the right service account model is...
By Brian Kelley
There are always bad actors who will seek to get access to and, likely,...
Comments posted to this topic are about the item Determining the Updated Columns
Comments posted to this topic are about the item Carrots and Sticks
I am trying to create and Update query based on a like join. Is...
I am creating a trigger in SQL Server 2022 and want to detect a change in a table. Here is my table DDL:
CREATE TABLE CustomerLarge ( CustomerID INT NOT NULL IDENTITY(1,1) CONSTRAINT CustomerLargePK PRIMARY KEY CLUSTERED , CustomerName VARCHAR(20) , CustomerContactFirstName VARCHAR(40) , CustomerContactLastName VARCHAR(40) , Address VARCHAR(20) , Address2 VARCHAR(20) , City VARCHAR(20) , CountryCode CHAR(3) , Postal VARCHAR(20) , creditlimit INT , discount numeric(4,2) , lastorderdate DATETIME , lastorderamount NUMERIC(10,2) , lastordercontact VARCHAR(20) , created DATETIME , modified DATETIME , modifiedby VARCHAR(20) , statusid INT , active BIT , customersize INT , primarysalesid INT) GOIf I want to detect that the creditlimit was updated, what IF statements should I use? See possible answers