Snowflake Architecture – The Basics
At the most basic level, Snowflake has 3 important components. The Cloud services layer, centralised storage layer and the compute layer. Cloud services – they call this the “brains”...
2022-07-19
28 reads
Blog Posts
SSRS Subscription E-Mail Error
It is that time again. This time coming to you from a Mcdonald’s so my son can get out some energy, and it is 105 degrees outside. This will...
2022-07-19
45 reads
Thank You Wendy!
I honestly don’t know when or how I met Wendy Pastrick, but I’m so happy I did. Wendy and I have been friends for a very long time. Thank...
2022-07-19
23 reads
Daily Coping 18 Jul 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...
2022-07-18
23 reads
Database Search in SQL Monitor
I learned something new recently. I can search in SQL Monitor for a database name, not just a server or instance name. I tested this over at monitor.red-gate.com recently...
2022-07-18
32 reads
Generating Unicode Characters in Power Query
You may have used the UNICHAR() function in DAX to return Unicode characters in DAX measures. If you haven’t yet read Chris Webb’s blog post on the topic, I...
2022-07-18 (first published: 2022-06-30)
257 reads
Mounting ADLS point using Spark in Azure Synapse
Last weekend, I played a bit with Azure Synapse from a way of mounting Azure Data Lake Storage (ADLS) Gen2 in Synapse notebook within API in the Microsoft Spark...
2022-07-18
406 reads
Mounting ADLS point using Spark in Azure Synapse
Last weekend, I played a bit with Azure Synapse from a way of mounting Azure Data Lake Storage (ADLS) Gen2 in Synapse notebook within API in the Microsoft Spark...
2022-07-18
9 reads
Sabbatical!
Redgate Software has a policy wherein every 5 years, employees receive a 6-week paid sabbatical. Well, I’m up to year 11 (I skipped a year my first time), so...
2022-07-18
6 reads
Scary Scalar Functions - Part Two: Performance
Scary Scalar Functions series overview
Part One: Parallelism
Part Two: Performance
Foreword
In the second part of this series, we’ll look at how Scalar functions (or UDFs) affect performance.
If you want to follow...
2022-07-18 (first published: 2022-07-02)
564 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