SQL Saturday - Columbia
I've talked about trying to do a SQL Saturday event in Columbia, SC, for the last couple of years, ever...
2010-03-26
681 reads
Blog Posts
SQL Saturday #29 Presentations & Twittering
Tomorrow, I’m presenting a couple of sessions at SQLSaturday #29 in Birmingham, Alabama. Here are the presentation materials I’ll use.
SQL...
2010-03-26
562 reads
A Fan and a Friend
I went to the UK SQL Server User Group in Cambridge on Wednesday. I’m not sure it’s the Cambridge group...
2010-03-25
688 reads
Goodbye Live Spaces, Hello WordPress
After blogging on Live Spaces for a 517 days, I’ve made the difficult decision to move to my own domain...
2010-03-25
658 reads
Have a Question? Use the Forums
I try to keep a pretty tight lid on the comments to the blog because there's a lot of SPAM...
2010-03-25
535 reads
Managing the Size of the Security Cache (TokenAndPermUserStore) in SQL 2005
Introduction
In an earlier post I walked through the diagnosis of a problem with TokenAndPermUserStore bloat in SQL 2005.In this post...
2010-03-25
1,096 reads
Measuring Transactional Replication Latency Without Tracer Tokens
Measuring Transactional Replication Latency Without Tracer Tokens SQL Server 2005 introduced Tracer Tokens (SQL 2005 | SQL 2008), a new methodology for...
2010-03-25
7,122 reads
Powerscripting Podcast 2
I was interviewed by Jon (@JonWaltz) and Hal (@Halr9000) in episode 106 of the PowerScripting Podcast. This was my second...
2010-03-25
1,925 reads
Recovery Models and Backup Strategies for SQL Server 2008
I had a question via e-mail from one of my new students at University of Denver, University College this morning,...
2010-03-25
3,066 reads
Red Gate and Hyperbac
Imagine my surprise when I arrived at the Red Gate offices Monday morning to find Jeff Aven at the office....
2010-03-25
2,576 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