First Time Speaking with a Mask at an Event
Over the past couple of months, I have started losing my ability to talk without a mask. One of the effects of a disease, ALS, is that I am...
2024-04-19
31 reads
Blog Posts
Learning SQL Book Review – Best Free Book for Learning SQL for Beginners
Data is everywhere, and if you want to make sense of it, SQL (Structured Query Language) is your secret weapon. Whether it’s managing customer data or analyzing trends, SQL...
2024-04-19 (first published: 2024-04-06)
469 reads
RTO and RPO are myths unless you’ve tested recovery
I’ve watched teams spend a lot of time on backup strategy. They plan out the full, differential, and log backups to ensure they can successfully meet the recovery point...
2024-04-17 (first published: 2024-04-05)
339 reads
SQL Quickstart Guide by Walter Shields – Book Review & Summary
In today’s world, data is everywhere. Companies collect it, governments analyze it, and it influences everything from what products we buy to how we vote. But all that data...
2024-04-17 (first published: 2024-04-05)
203 reads
Derby City Data Days
It was awesome to see the Kentucky data community come out for the first Derby City Data Days in Louisville, KY! Bringing together communities from Ohio, Tennessee, and Kentucky,...
2024-04-16
29 reads
Familiar Sights
Yesterday was a long day in London. I arrived late in the am, and as I was walking from the plane to the border check, I went down the...
2024-04-16
33 reads
How Do You Decide What to Learn?
There are so many choices and so little time. How do you go about deciding what to learn? I have to delicately balance everything I think I want to...
2024-04-15 (first published: 2024-04-02)
429 reads
Tomorrow: Webcast on SQL Server security
Tomorrow, April 16, 2024, I will be giving another webcast; this one will be on SQL Server security. It’s scheduled for 1 PM EDT / 5 PM UTC. Sign...
2024-04-15
30 reads
When was my SQL Server Database Last Accessed?
Your boss walks up to you one morning and says, “Hey, I wanna list of all of our databases and when they were last accessed”. If you’ve got some...
2024-04-15 (first published: 2024-04-02)
1,171 reads
A New Word: the Wends
the wends– n. the frustration that you’re not enjoying an experience as much as you should, which prompts you to try plugging in various through combinations to trigger anything...
2024-04-12
39 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...
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...
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