Bias, the Serial Killer of Diversity
Today we have a guest editorial from Kellyn Pot'Vin that tackles the tough topic of diversity.
2016-05-27
163 reads
Editorials
Should I Stay or Go?
Today we have a guest editorial from Andy Warren that looks at the decision to leave a job. Or not.
2016-05-26
161 reads
The Clustered Index is not the Primary Key
As the title says, the clustered index doesn't have to the primary key and vice versa.
2016-05-24
1,462 reads
Boundless Opportunities
There has never been more reasons or better opportunities to learn new skills. Gail Shaw shares her favorite online video training resources sites, what's on her current learning list and why.
2016-05-23
164 reads
The Politics of SQL Security
Dealing with SQL Server security when the application it uses is full of security holes.
2016-05-23
199 reads
What's Your Test Plan?
This week Steve Jones looks at the formal way in which you might verify changes to your system. Do you have a process?
2016-05-20
237 reads
The Complexity of Branches
Branching code creates complexity to development and should be undertaken with caution.
2016-05-19
94 reads
Half Baked Features
Steve Jones notes that some features aren't fully developed, but that's not a reason to avoid releasing them.
2016-05-17
159 reads
Software Maturity with Release Management
Adding a release management tool to your software development is a sign of maturity.
2016-05-16
73 reads
SQL Server RTM - June 1
The next version of SQL Server 2016 will be released on June 1, 2016, which means you can start planning those upgrades.
2016-05-16
107 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