Demystifying Power BI – slidedeck
ITPROceed has come to an end and what a great event it was. Kudos to the organizers and all the...
2015-06-16
658 reads
ITPROceed has come to an end and what a great event it was. Kudos to the organizers and all the...
2015-06-16
658 reads
For those who haven’t noticed already:
SQL Server 2016 CTP2 (or Preview as some call it) has just been released!
This means...
2015-06-01 (first published: 2015-05-28)
3,282 reads
This year I have the opportunity again to speak at ITPROceed, the biggest (Microsoft-related) conference in Belgium for the IT...
2015-05-27
432 reads
Here is an overview of the articles I published in the first quarter of 2015.
INTENSE SCHOOL
MCSE Prep: Overview of T-SQL Windowing...
2015-04-22
537 reads
I recently finished the book Now You See It: Simple Visualization Techniques for Quantitative Analysis by Stephen Few of Perceptual...
2015-04-17 (first published: 2015-04-07)
7,400 reads
You may or may not have noticed it after installing SQL Server 2012: the designer interface in Visual Studio 2010/2012...
2015-03-24
757 reads
That’s right! I will solve a performance issue by adding a UNION into the query. Interested? Read on!
I recently encountered...
2015-03-09 (first published: 2015-02-25)
8,821 reads
This morning Adam Machanic (blog | twitter) asked the following question on Twitter:
Anyone know if it's possible to configure PowerPoint 2013...
2015-03-04
687 reads
This month’s T-SQL Tuesday is hosted by Kenneth Fisher (blog | twitter) and its subject is about security.
Security is one of...
2015-02-18 (first published: 2015-02-10)
6,686 reads
I have the pleasure and privilege to announce that I was awarded with the “Author of the Year” award at...
2015-01-13
516 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