2016-04-12
125 reads
Editorials
Hunting in Packs
Waterfall is the practice most destructive to developer productivity? Nonsense, according to Phil Factor. Lack of basic team coordination skills comes much higher in the list.
2016-04-11
126 reads
The Data Dewey Decimal System
Steve Jones looks at the idea of cataloging our data sets in order to make it easier for
2016-04-11
331 reads
Naming Is Hard
Naming objects and variables in software can create contention in a team. While there are good conventions and standards, ultimately a team just needs to agree on something.
2016-04-07
140 reads
2016-04-05 (first published: 2011-12-05)
473 reads
Code smells versus transgressions
The oddest SQL practices can be done deliberately for good reason, but are there any that are always wrong, that are so bad that that their use should be prohibited as a matter of policy?
2016-04-04
161 reads
2016-04-01
137 reads
The Database Transaction Unit (DTU) Decoded
In an Azure SQL Database, you pay for a certain number of DTUs, but what are these? Steve Jones explains.
2016-04-01
2,708 reads
Examining SQL Server 2016
Today Steve Jones wonders if any of you are looking at the next version of our platform, SQL Server 2016.
2016-03-31 (first published: 2016-03-29)
293 reads
Is PowerShell Intimidating?
Today we have a guest editorial from Andy Warren that asks if the rest of you are intimidated by PowerShell.
2016-03-30
196 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