Efficient calculation of an ISBN-13 check digit
I thought I might pass along, what I have found to be, the most efficient way to validate the check digit within Azure SQL Server. I was looking to...
2023-07-17 (first published: 2023-07-10)
376 reads
Blog Posts
SQL Server on VMware Accelerator now free!
My SQL Server on VMware Accelerator boot camp video series is now live on Youtube! There’s no strings attached and no price of entry, so now there’s no reason...
2023-07-17 (first published: 2023-07-07)
387 reads
A New Word: Exulansis
exulansis – n. the tendency to give up trying to talk about an experience because people are unable to relate to it – whether through envy or pity or...
2023-07-14
106 reads
Demonstrating How I Use Voice Access
As part of my effort to inform people on how to use tools with their disabilities and continue working, I created a series of videos that demonstrate how I...
2023-07-14 (first published: 2023-07-05)
143 reads
Exciting New Adventures Ahead
Some of you may know that I went to work for BlueGranite a little over four years ago. It was humbling to be part of such a talented team...
2023-07-14
50 reads
Three more chapters of my data architecture book are available!
As I have mentioned in a prior blog post, I have been writing a data architecture book, which I started last November. The title of the book is “Deciphering...
2023-07-14 (first published: 2023-06-28)
692 reads
Azure Data Studio Schema Compare Extension
A coworker recently introduced me to the SQL Server Schema Compare extension in Azure Data Studio. It has come in handy since we don’t have any paid-for tools, so...
2023-07-13
89 reads
A Barebone Script To Generate SQL Script to Create Synonyms
A Barebone Script To Generate SQL Script to Create Synonyms
This stored procedure can be used to generate a SQL script to create synonyms for all tables in...
2023-07-12 (first published: 2023-07-10)
114 reads
Generate SQL Script to Allow or Disallow Access To All Data
I had a requirement to temporarily prevent access, read or write, to a particular database for all users except 2 users. There were hundreds of SQL Logins with access...
2023-07-12 (first published: 2023-07-11)
145 reads
Heraflux and Rubrik Webinar – July 25
Heraflux is returning to deliver a new webinar with Rubrik and ActualTech Media titled “How to Secure Your Azure SQL Data.” With Azure SQL Server offerings continuing to grow...
2023-07-12 (first published: 2023-06-27)
87 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