Daily Coping 28 Sep 2020
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...
2020-09-28
38 reads
Blog Posts
Azure SQL Offers Manual Failover for PaaS Resources
Sometime having the right command in place opens up new doors to test things, like a failover for example. In this post we will take a look at a...
2020-09-25 (first published: 2020-09-22)
234 reads
Daily Coping 25 Sep 2020
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...
2020-09-25
41 reads
Git Tricks–Getting a New Remote Branch–#SQLNewBlogger
Another post for me that is simple and hopefully serves as an example for people trying to get blogging as #SQLNewBloggers. This is probably more for me than anyone,...
2020-09-25 (first published: 2020-09-16)
186 reads
Daily Coping 24 Sep 2020
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...
2020-09-24
13 reads
Optimize for Unknown for Inline Table-Valued Functions
I had a curious performance issue today. An inline table-valued function (iTVF) was performing poorly for some parameter sets, and quite fast for other parameter values. In short, this...
2020-09-24 (first published: 2020-09-17)
565 reads
Stop Letting Accessibility Be Optional In Your Power BI Reports
We don’t talk about inclusive design nearly enough in the Power BI community. I was trying to recall the last time I saw a demo report (from Microsoft or...
2020-09-24 (first published: 2020-09-17)
315 reads
[Coping] Dum Spiro Spero
Dum Spiro Spero – “While I breathe, I hope.” Because it’s the motto for South Carolina, it’s on the state seal. As a result, it is part of The...
2020-09-23
50 reads
A new malware attack on SQL Server
Tencent Security has released a report (written in Chinese) describing a new malware attack by the name of “MrbMiner” on SQL Server instances exposed to the Internet with passwords that can...
2020-09-23
388 reads
Confounding Variables from Historical Bias
Note: co-authored with Christine Assaf, originally published in the now-defunct PASS Blog.
Historical data analysis that is naïve to past discrimination is doomed to parrot bias. How do we combat bias in our...
2020-09-23
26 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