Introduction to Statistics
This article will give a brief overview of how statistics are generated, stored, and used in SQL Server.
Loading partitions incrementally using SSIS
In this article, we discuss how to load large partition tables incrementally.
Organisations and Technical Apartheid
Today we have a guest editorial that looks at DevOps and the need for your culture to promote collaboration.
Tips for Better Presentations
Brent Ozar gives some advice to those of you who give presentations to user groups and conferences.
The Road to Better Data Handling
As data becomes more valuable and regulations require safer processing, it is important we become more careful in our daily work.
What’s the Difference Between PERCENT_RANK and CUME_DIST?
Learn a bit about the different results you get from the PERCENT_RANK and CUME_DIST aggregate functions.
How can we close the tech skills gap?
One of the most profound challenges faced by technology companies today is talent. According to the latest Harvey Nash survey, 65% of CIOs believe that a shortage of tech skills is affecting their ability to respond to change.
Improving Tech with Compassionate Code
There is quite a bit of suffering within tech and caused by tech, from poorly commented code to shaming someone who asks a question on a forum. In this article, Samuel Nitsche explains why compassionate coding is a better way to go.
Collect SQL Server Index Usage Information for all Instances with PowerShell
In this tip we look at a PowerShell script you can use to collect index information for all of your SQL Server instances that you manage.
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