Get All Database Snapshots and Their Parent Databases On A SQL Server
This is going to be a quick post but this morning I was asked the question, ‘how can I get the name of all the database snapshots on a...
2019-08-15
188 reads
This is going to be a quick post but this morning I was asked the question, ‘how can I get the name of all the database snapshots on a...
2019-08-15
188 reads
We’ve released sp_RestoreScript 1.5. This is only a minor release but adds the type of the backup file to the output. You can grab the latest version from our...
2019-08-12
18 reads
Intent locks, one of those things in SQL Server that seem to be very often misunderstood. They’re something that I’ve found myself explaining time and time again, I’ve even...
2019-07-25
663 reads
I recently hit this rather interesting issue when migrating a bunch of SQL Servers onto a nice, shiny new SAN. The plan was simple enough, take the secondary servers...
2019-07-22 (first published: 2019-07-08)
2,778 reads
We love xp_fixeddrives here, it’s a quick and simple way to see how much space you’ve got available on your drives. But there are just a couple of things...
2019-07-17 (first published: 2019-07-03)
832 reads
sp_RestoreScript 1.4 is now out and ready for download from our GitHub, https://github.com/SQLUndercover/UndercoverToolbox/blob/master/sp_restorescript.sql New Features Compatible with case sensitive collations Now accepts wild cards in the @DatabaseName string, (‘Database1,Database2,SQL%’)...
2019-07-15
225 reads
Undercover Catalogue 0.2.2 It looks like a bug has crept it’s way into the Undercover Catalogue. When running with certain versions of DBA Tools, a number of the modules...
2019-06-20
21 reads
Here’s a little error that I stumbled across the other day when trying to migrate the data files of an Availability Group secondary node onto a nice new SAN....
2019-06-06
153 reads
The SQL Installation script can be found here The Inspector sample report has been updated here All of the below Git Issues can be found on the V1.4 Project...
2019-05-20
24 reads
You know what it’s like, you need to fail your AG over but is it safe to fail over? Perhaps you’ve clicked on ‘failover’ for the AG and there’s...
2019-05-09 (first published: 2019-04-29)
858 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