Recently, one of my customers considered enabling Trace Flag 3625 on one of their SQL Servers, but they wanted a way to quickly test its functionality beforehand. For those...
2023-12-22 (first published: 2023-12-12)
525 reads
I know I can use extended events (xevents) in Azure SQL DB when in SSMS, but I wanted to learn how to use them in Azure Data Studio (ADS)....
2023-12-20 (first published: 2023-11-30)
330 reads
It’s me again with my apparently semi-annual blog post. This time we’re going to talk about which version of SQL Server you should be on, now that we’re at...
2023-12-20 (first published: 2023-12-05)
662 reads
A couple of months ago where I work, a major product started undergoing a rebrand. I don’t pretend to understand marketing folks, but a change this big needed to...
2023-12-19
463 reads
📰 News What happened in the DAX world in 2022 New DAX functions… in 2022 The Microsoft Learn Cloud Skills Challenge Microsoft Ignite edition is back! How to build...
2023-12-18
33 reads
I’m seeing a lot of excitement from customers over Microsoft Fabric, now that it GA’d a few weeks ago. One thing that is generating a lot of that excitement...
2023-12-18 (first published: 2023-12-12)
682 reads
In SQL Server, the terms “set-based” and “row-based” refer to different approaches or styles of writing SQL code to manipulate data. These styles have implications for performance, readability, and...
2023-12-18 (first published: 2023-12-01)
610 reads
nementia – n. the post-distraction effort to recall the reason you’re feeling particularly anxious or angry or excited, trying to retrace your sequence of thoughts like a kid gathering...
2023-12-15
52 reads
I had a customer recently ask if SQL Compare could show them the differences in two scripts they’ve written. They weren’t using version control (tsk, tsk, shame), but saw...
2023-12-15 (first published: 2023-11-27)
402 reads
Today I have uploaded SQL Server Quickie #46 to YouTube. This time I’m talking about SQL Server on Linux.
2023-12-15 (first published: 2023-11-28)
210 reads
By Steve Jones
I type fairly well. Well, I type fast, but I do wear out a...
By way of background, a while back I did video called “My New Favourite...
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
WA:08218154393 Jl. Jenderal Ahmad Yani No.1, Benua Melayu Darat, Kec. Pontianak Sel., Kota Pontianak,...
WA:08218154393 Jl. Jenderal Sudirman No.139, Klandasan Ilir, Kec. Balikpapan Kota, Kota Balikpapan, Kalimantan Timur...
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