Using Erik Darling’s sp_pressure_detector to resolve CPU issues
Last Friday I spent my lunch break going through some links I had marked for future reading. One of them was a post earlier this month by Erik Darling...
2020-01-28
17 reads
Blog Posts
Author of the Year 2019 Nomination at MSSQLTips
This year I’ve been nominated again for the Author of the Year award at MSSQLTips. A lot of other fine people have been nominated as well, you can check...
2020-01-27 (first published: 2020-01-21)
227 reads
Extended Events Misperceptions: Profiler is Easier, Part 2
I wrote a short blog post about the misperception that Profiler was easier than Extended Events when it came to the core concept of “click, connect, BOOM, too much...
2020-01-27
26 reads
In Memory Table Indexes
Now that I have written about In-Memory Tables and Migrating to In-Memory tables, let’s look at indexes and how they are created and how they work within those tables....
2020-01-27 (first published: 2020-01-22)
775 reads
Is NoSQL still a thing?
G’day, Looking back, perhaps one of the (many) mistakes that I’ve made in my career was to initially ignore the N0SQL movement. I’ve focused my career on Relational Database...
2020-01-27
33 reads
sys.xp_delete_files and ‘allow filesystem enumeration’: two new undocumented items in SQL Server 2019
sys.xp_delete_files and 'allow filesystem enumeration': two new undocumented items in SQL Server 2019… Continue reading sys.xp_delete_files and ‘allow filesystem enumeration’: two new undocumented items in SQL Server 2019 ?
2020-01-27
576 reads
Do It Live! A First Look at Redgate’s Hybrid Model for SQL Source Control and SQL Change Automation (video)
In this 70 minute livestream recording, I kick the tires of a fresh new Azure DevOps demo environment showing Redgate’s Hybrid Model for SQL Source Control and SQL Change...
2020-01-25
19 reads
Azure Storage tips
As a followup to my blog post Azure Data Lake Store Gen2 is GA, I wanted to give some pointers when using ADLS Gen2 as well as blob storage,...
2020-01-24 (first published: 2020-01-16)
437 reads
Bring Your Own Key to Azure SQL Database Managed Instance TDE
Last year Azure SQL Database Managed Instance saw the introduction of bring your own key (BYOK) functionality for transparent data encryption (TDE). This functionality has been in the singleton...
2020-01-24
22 reads
Bring Your Own Key to Azure SQL Database Managed Instance TDE
Last year Azure SQL Database Managed Instance saw the introduction of bring your own key (BYOK) functionality for transparent data encryption (TDE). This functionality has been in the singleton...
2020-01-24
25 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