Last Week Reading (2022-01-02)
?? Press Efficient Upserts into Data Lakes with Databricks Delta When MERGE on data lake is inefficient. Building a Data Mesh Architecture in Azure – part 1 With this...
2022-01-02
24 reads
Blog Posts
Source Control – The Best GUI For Productivity
Source control is quintessential to a productive development environment. A well maintained and organized source control system is akin to having known-good database backups. Having the right tools to...
2022-01-02
62 reads
Memory – How to Find when Excess is a Bad Thing
Excessive memory grants are extremely problematic in SQL Server. These excessive grants do not just happen out of the blue. Memory grants are directly linked to the queries.
The post...
2022-01-01
120 reads
A Few #2021Wins
It’s the end of the year. I’m on vacation, celebrating time with family now, but I wanted to write this post. I got a prompt from LinkedIn last week...
2021-12-31
20 reads
Daily Coping 31 Dec 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...
2021-12-31
26 reads
Memory – How to Find when Excess is a Bad Thing
Excessive memory grants are extremely problematic in SQL Server. These excessive grants do not just happen out of the blue. Memory grants are directly linked to the queries.
The post...
2021-12-31
399 reads
The Chili Shirt–Memories of Euan Garden
Early on in the history of SQL Server Central, we were offered the chance to work in a booth a TechEd and promote our little site. Brian Knight, Andy...
2021-12-31 (first published: 2021-12-13)
310 reads
Three-part virtual SQL Server learning this week
I’m thrilled to announce a three-part remote education event in conjunction with the Iowa SQL Server community! The topic is SQL Server IaaS and virtualization performance tuning, and it’s...
2021-12-31 (first published: 2021-12-12)
272 reads
2021 a year in review
No matter where you are in the world the last couple of years have been, shall we say, difficult. More ... Continue reading
2021-12-30
6 reads
Daily Coping 30 Dec 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...
2021-12-30
48 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