Identify Tables With Dropped Columns
On my last article - What happens when we drop a column on a SQL Server table? Where’s my space? - I have shown what happens when we drop...
2024-07-22 (first published: 2024-07-09)
363 reads
Blog Posts
Latest Update for Undercover Catalogue Powershell Interrogation Script
We’ve been hearing of a few people getting errors from the latest Undercover Catalogue, Powershell interrogation script. The issue seems to be happening when the scripts tries downloading automatic...
2024-07-22
35 reads
Microsoft 365 Security and Compliance for Administrators, a Book Review
I was asked to review the following book by the publisher, and I must say that it was a good experience for me. I used the book to help...
2024-07-22
23 reads
Monday Monitor Tips – Adding Redgate Monitor Custom Metrics from SQLMonitorMetrics
This post talks about adding custom metrics from the sqlmonitormetrics.com site automatically and how this works (and how it doesn’t). This is part of a series of posts on...
2024-07-22
82 reads
Set a Runtime Variable in an Azure DevOps Pipeline
Note: I DO NOT recommend this. Any changes to a pipeline should be in code and through a PR. That being said, I know this information is out there...
2024-07-22 (first published: 2024-07-05)
344 reads
A New Word: Solysium
solysium – n. the unhinged delirium of being alone for an extended period of time – feeling the hours stretch into days until a weird little culture begins to...
2024-07-19
43 reads
Not Selected for the PASS Data Community Summit 2024
I got this in an email about a week ago from the PASS Data Community Summit. There’s more to it, but essentially I submitted 3 talks (2 on deployments,...
2024-07-19 (first published: 2024-06-28)
168 reads
Only Capture Extended Events For a Given Time
It’s a great question. Let’s say you want to capture stored procedure completions. But, you only want to capture them between 3AM and 4AM. Can you do it? Output...
2024-07-19 (first published: 2024-07-01)
209 reads
25 Years of Redgate
I’m in Austin today, ready for the Redgate Software 25th Birthday celebration. The company started in 1999 and this is their 25th birthday. All of our offices are celebrating,...
2024-07-17
70 reads
Copilot in Microsoft Fabric
Microsoft Copilot is an app that uses AI to help you find information, create content, and get things done faster (see What Is Copilot? Microsoft’s AI Assistant Explained). Copilot is...
2024-07-17 (first published: 2024-07-10)
501 reads
Blogs
Automatic Index Compaction
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
The Goldilocks problem – Materialized Views
I’m sure you’ve all heard the tale of Goldilocks and the Three Bears, but...
Monday Monitor Tips: Virtual Machine Usage and Cost
By Steve Jones
One of the things I’ve been requesting for a number of years is cost...
Forums
SQL Art, Part 4: Happy 4th of July — A British DBA's Guide to Celebrating a War We Don't Talk About
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
How We Handled a Vendor Retry That Loaded Twice in Snowflake
Comments posted to this topic are about the item How We Handled a Vendor...
Cognitive Coverage
Comments posted to this topic are about the item Cognitive Coverage
Question of the Day
Getting the Average
I have this data in the dbo.Commission table in a SQL Server 2022 database.
salesperson commission Brian 12 Brian 16 Andy 7 Andy 14 Andy 21 Steve 20 Steve NULLAll the data is a varchar, and I decide to run this query to get the totals for each salesperson.
SELECT SalesPerson
, AVG(TRY_PARSE(Commission AS int)) AS TotalCommission
FROM commission
GROUP BY SalesPerson
GO
What average commission is calculated for Steve? See possible answers