Daily Coping 7 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...
2021-10-07
55 reads
Blog Posts
Dealing with foreign keys when deleting rows.
Deleting rows from a table is a pretty simple task right? Not always. Foreign keys, while providing a ton of ... Continue reading
2021-10-07
96 reads
Restore to SQL Managed Instance
Now that we have a Managed Instance built, the next question is how do we get data across? I will break this up into separate posts but the lesson...
2021-10-07
144 reads
Daily Coping 6 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...
2021-10-06
20 reads
How to Design Backups in SQL Server?
The Recovery Point Objective (RPO) and Recovery Time Objective (RTO) are basic concepts related to the information to be recovered and the time that it will take to recover....
2021-10-06 (first published: 2021-09-24)
737 reads
Join me at SQL Trail 2021 to hear the next thing about Temporal Tables
I’ve had the privilege of presenting all over the world about temporal tables in SQL Server including the United Kingdom, Canada, and the United States. The theme of the...
2021-10-06
23 reads
Login Timeouts
I was recently approached at work about a company that was seeing tons of timeouts in SQL Server. I was asked how to troubleshoot this. There are lots of...
2021-10-06 (first published: 2021-09-27)
580 reads
Using NULLIF–#SQLNewBlogger
Another post for me that is simple and hopefully serves as an example for people trying to get blogging as #SQLNewBloggers. I ran across the NULLIF() function recently, and...
2021-10-06
31 reads
Azure Purview is generally available
After a very long public preview (9 months), Azure Purview is finally generally available (GA). I described Purview in a previous blog (New Microsoft data governance product: Azure Purview)....
2021-10-05
23 reads
Daily Coping 5 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...
2021-10-05
22 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...
WITH clause gets a 26ai boost!
By way of background, a while back I did video called “My New Favourite...
Automatic Index Compaction
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
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