Webinar – Intro to Azure Data Factory
I’m excited to announce I’m giving a webinar for MSSQLTips.com, with “Introduction to Azure Data Factory” as the subject. The webinar will take place at Tuesday May the 3th,...
2022-04-12
59 reads
Blog Posts
Azure IoT Central
This is a short blog to give you a high-level overview on a product called Azure IoT Central. I saw this fairly new Azure product (GA Sept 2018) in...
2022-04-11 (first published: 2022-03-31)
183 reads
Daily Coping 11 Apr 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...
2022-04-11
15 reads
KQL Series – how not to waste $ running ADX clusters
This blog post is based on my personal experience running an Azure Data Explorer (ADX) cluster. I was doing a presentation for Data Platform Summit in India, I spun...
2022-04-11 (first published: 2022-03-31)
151 reads
Query Hash and Query Plan Hash Mapping
The problem
As a fan of Dynamic Management Objects (DMOs), Query Store and Extended Events, I often work with the Query Hash and Query Plan Hash (I’ll refer to them...
2022-04-11
46 reads
Daily Coping 8 Apr 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...
2022-04-08
30 reads
Quick Tip: Remove CONVERTCAST from your WHEREJOIN clauses
Quick Tip Remove CONVERT/CAST from your WHERE clauses and JOINS when comparing to variables of different data types. Set their data types to match your table definitions before using...
2022-04-08 (first published: 2022-03-28)
810 reads
The Summit is Back in Person
Registration for the Data Community Summit opens today! You can sign up and come to Seattle in November with all the other data platform pros that you’ve missed seeing...
2022-04-08 (first published: 2022-03-31)
103 reads
Daily Coping 7 Apr 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...
2022-04-07
26 reads
KEEP PLAN Demystified
Foreword
I was always wondering what the KEEP PLAN hint does. The documentation isn’t very specific (emphasis mine):
Forces the Query Optimizer to relax the estimated recompile threshold for a query.
In...
2022-04-07
82 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...
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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