ETL v ELT
This is part of a series on my preparation for the DP-900 exam. This is the Microsoft Azure Data Fundamentals, part of a number of certification paths. You can...
2022-03-09
63 reads
Blog Posts
Help, not all of my column is displaying in the output of the query!
I’ll be honest, I don’t remember if I’ve written about this before but I couldn’t find it, so here we ... Continue reading
2022-03-09 (first published: 2022-02-22)
367 reads
How do I merge a small part of a Git repo into another repo?
At my new day job, one of the things we want to do is migrate a portion of a really large Git repository (over 20GB) which I’ll call LargeRepo,...
2022-03-09
49 reads
An increased opportunity. Remote user groups. : T-SQL Tuesday #148
Rie Merritt (blog|twitter) is our host this month for T-SQL Tuesday! She’d like us to give advice on running a ... Continue reading
2022-03-08
27 reads
An increased opportunity. Remote user groups. : T-SQL Tuesday #148
Rie Merritt (blog|twitter) is our host this month for T-SQL Tuesday! She’d like us to give advice on running a ... Continue reading
2022-03-08
6 reads
Daily Coping 8 Feb 2022
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...
2022-03-08
19 reads
Data Thoughts – T-SQL Tuesday #148 – Advice on running a user group
G’day, This months T-SQL Tuesday (March 2022) invite is brought to you by Rie Merrit – @IrishSQL Rie has asked us to write about “Advice on running a user...
2022-03-08
19 reads
Microsoft Defender for open-source relational DB
If you navigate to the overview section of your MySQL server you will see a notification area, here you will find security section. It’s basically an area to provide...
2022-03-08
16 reads
T-SQL Tuesday #148–User Group Advice
This month the T-SQL Tuesday invitation is from Rie Merritt, and it’s one that means a lot to me. I don’t actually run a user group, but I think...
2022-03-08
25 reads
ADX and KQL – Free Cluster for learning purposes
G’day, I’ve been looking around a bit lately at Azure Data Explorer (ADX) Clusters and the Kusto Query Language (KQL). I recently learned that Microsoft is letting people experience...
2022-03-07 (first published: 2022-03-06)
110 reads
Blogs
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...
Monday Monitor Tips: Virtual Machine Usage and Cost
By Steve Jones
One of the things I’ve been requesting for a number of years is cost...
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