The Security Payoff
An invitation to hack United's IT systems has resulted in vulnerabilities being found and hackers rewarded for disclosing the issues.
2015-07-30
113 reads
Editorials
Hiring for Culture
Steve Jones discusses the decision to hire someone that fits in with your culture at work, and what that means.
2015-07-29
155 reads
Visualizing in Space
An amazing visualization of basketball players has Steve Jones encouraging you to find your own pet project and showcase some skills.
2015-07-28
147 reads
No Downtime Deployments
Can you deploy your database changes without any downtime? Steve Jones has a few notes.
2015-07-27
123 reads
What We Want and What We'll Pay For
The challenges of getting enough resources for our projects aren't always apparent.
2015-07-27
147 reads
Is Skynet Coming?
The poll this week looks to the future and artificial intelligence. Steve Jones wonders if we'll ever really see this.
2015-07-24
153 reads
The Evolving DBA
The job of the DBA is constantly evolving, but one thing has always been critical: access to data.
2015-07-23
247 reads
There Are Always Constraints
We must learn to deal with the reality of our situation, along with the limitations.
2015-07-21
124 reads
Are DacPacs ready for prime-time?
DacPacs have been around for a while but DBAs have not, in the past, taken them particularly seriously. Is it time to get involved and influence the way the technology develops?
2015-07-20
167 reads
Presenting Data
One important skill is for the DBA or developer of the future is being sure they can present data to clients in a way they can use it.
2015-07-20
202 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