Skirmishes with automated deployment of Azure Data Factory
When it comes to Azure Data Factory deployment, I always have a few words to say. You might be aware that there are two approaches in this terms. I...
2021-11-01
11 reads
Blog Posts
Daily Coping 29 Oct 2021
I started to add a daily coping tip to the SQLServerCentral newsletter and to the Community Circle, which is helping me deal with the issues in the world. I’m...
2021-10-29
24 reads
External Temp Tables Preventing Plan Reuse in Stored Procedures
Here’s an interesting issue that recently came up. We were seeing very high compilations and recompilations on a server to the point that it started causing us some very...
2021-10-29 (first published: 2021-10-19)
340 reads
Group By Starting Characters
I was chatting with Jeff (b|t) on my team yesterday and the context escapes me but I had this thought: “Can you Group By the beginning characters, or a...
2021-10-29 (first published: 2021-10-22)
505 reads
The First Live SQL Saturday in 2021
I’m getting ready to board a plane now, heading to Orlando for the first live SQL Saturday in 2021. I’m excited and looking forward to seeing friends that I’ve...
2021-10-29
27 reads
Daily Coping 28 Oct 2021
I started to add a daily coping tip to the SQLServerCentral newsletter and to the Community Circle, which is helping me deal with the issues in the world. I’m...
2021-10-28
13 reads
Daily Coping 27 Oct 2021
I started to add a daily coping tip to the SQLServerCentral newsletter and to the Community Circle, which is helping me deal with the issues in the world. I’m...
2021-10-27
18 reads
Lesson Learned From Multi-Threading with dbatools
Over the summer, I spent some (a lot of) time working on updates to a script at work which runs multiple processes in parallel. Everything seemed to work OK...
2021-10-27
9 reads
Lesson Learned From Multi-Threading with dbatools
Over the summer, I spent some (a lot of) time working on updates to a script at work which runs multiple processes in parallel. Everything seemed to work OK...
2021-10-27
35 reads
Power BI Meets Programmability – TOM, XMLA, and C#
For anyone who read the title of this and immediately thought, “Oh no, I can’t do C#! Since when do I need to be in app dev to do...
2021-10-27 (first published: 2021-10-15)
2,741 reads
Blogs
AI Helps Me with My Sloppiness
By Steve Jones
I type fairly well. Well, I type fast, but I do wear out a...
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...
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