There’s the old saying “Whether you think you can or you think you can’t -- you’re right” from Henry Ford. I’ve thought about this more recently while reading the book The Rise of Superman Decoding the Science of Ultimate Human Performance which talks about how athletes have performed so called impossible feats over the past few […]
In this article, Edward Pollack describes some of the issues when querying against remote data sources. He covers remote SQL Servers and also connecting to a PostgreSQL database.
SQL Server Agent has a built-in alerting process for when jobs fail, but the information it provides isn’t very useful. You’re only told which job, what time, who ran it, and which step failed. If you want to see why it failed, you have to review the job history manually. On a busy system with […]
I heard someone at the 2020 DevOps Enterprise Summit conference say that quality needs to be built in. That's something that many, or hopefully most, of us believe. Everyone ought to do quality work and build it into their daily tasks. However, the person speaking went further and defined this in a way I like: […]
In this article we look at how to build a custom stored procedure template that can be used in either SSMS or Visual Studio for all new development.
With remote working still encouraged around the world, there is a need to ensure that operations teams have full visibility of your estate, not just your production servers. If your engineering teams have access to secure development and testing servers, deployment issues are caught before they reach production. Find out how to keep communication flowing between DBA and development teams in this free whitepaper. Read the whitepaper here.
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