Presenting in Colorado Springs on May 19, 2010
I will presenting at the Colorado Springs SQL Server User’s Group (CSSQLUG) on Wednesday, May 19, 2010. I will be...
2010-02-16
644 reads
Blog Posts
Quick Tip Of The Day
Over and over again we are told that the DMV’s only hold data since your last reboot. So, how do...
2010-02-16
2,600 reads
Review: Windows Live Writer Backup
Live Writer tends to be one of those applications that you spend a few minutes configuring and then you forget...
2010-02-16
580 reads
SQL Developers Please Use the Table Name/Alias to Prefix Columns
Note: After I completed this post Aaron Bertrand added this subject to his “Bad Habits to Kick” series for myself...
2010-02-16
872 reads
SQL Server - Checkpoint
What is a SQL Server checkpoint?
A SQL Server checkpoint is the process of writing all dirty datafile pages out to...
2010-02-16
6,851 reads
SSIS 2008 Script Component variable gotcha..
In a previous post I showed you how to access variables from within an SSIS script component. More specifically I...
2010-02-16
4,568 reads
The T-SQL Hammer
The over-reliance on a familiar tool is best described with the quote, “if all you have is hammer, everything looks...
2010-02-16
3,476 reads
Three Turns On The Road
Huh? My story? Okay. It was never easy for me. I was born a poor black child. I remember the...
2010-02-16
1,119 reads
Finding Blog Topics
I used to think that I would run out of things to write about, but a decade after starting to...
2010-02-15
877 reads
First Public Hearing Against Quebec's Pension Fund Manager - The Beginning of Proof that Multiple Laws Were Violated (Before Sabia took over at least)
As mentioned in a previous post, between the months of January and September 2008 I was hired to be a Database...
2010-02-15
7,520 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