Happy Labor Day
With the Labor Day holiday in the US, Steve Jones takes a break from writing and brings you a compilation of mistakes from the past few months.
Labor Day Bloopers
With the Labor Day holiday in the US, Steve Jones takes a break from writing and brings you a compilation of mistakes from the past few months.
One Milly-yon IOPS - Database Weekly (Sept 1, 2008)
IBM is testing a new hardware disk array that vastly outperforms any current arrays. What does this mean for the database world?
One Milly-yon IOPS - Database Weekly (Sept 1, 2008)
IBM is testing a new hardware disk array that vastly outperforms any current arrays. What does this mean for the database world?
One Milly-yon IOPS - Database Weekly (Sept 1, 2008)
IBM is testing a new hardware disk array that vastly outperforms any current arrays. What does this mean for the database world?
Un-Wired
This Friday's poll looks at vacation and how you prepare to be unwired. Steve Jones talks about some of the things you can do.
Importance of the Resource Database
This article describes the importance of the Resource database in SQL Server 2005 & 2008
Software Tool Design: Design by Sketching
Developers can get so used to relying on computers for everything that they can forget how useful it can be in the design process to elicit and refine ideas whilst working in groups, using a sketchbook, pencils and crayons. Sometimes we all need a jolt to force us to take a different approach to solving software design problems.
Summarizing Data with Aggregate Queries - SQL School Video
Learn how to summarize the values of your data using aggregate functions such as COUNT(), SUM(), and AVG() from MVP Kathi Kellenberger. Grouping and aggregate filters are covered as well.
The August 2008 Energy Update
This bi-monthly update on energy news covers quite a bit of wind-related power generation happening around the world.
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