2016-06-09
84 reads
Editorials
2016-06-07
117 reads
A New Sample Database
Microsoft has released the first version of a new sample database for SQL Server.
2016-06-06
649 reads
2016-06-06
133 reads
Accept Failure
Today Steve Jones talks about the risk inherent in any project, and how we should be aware of our mistakes, learn from them, and sometimes just give up when we've made too many.
2016-06-03 (first published: 2012-02-22)
232 reads
2016-06-02
91 reads
2016-06-01
129 reads
More Overloads
The overloading of terms creates confusion, which means that communication is more difficult.
2016-05-31
93 reads
Great Developers
A great developer is worth more than an average one, but how much more? Steve Jones has a few thoughts for you to think about.
2016-05-30 (first published: 2012-03-12)
597 reads
Mentors and Professional Groups
When wrestling with technical problems or ideas, it is good to discuss with, argue against, present ideas to, and listen to your colleagues. This is true of anyone working in IT, but really important for the likes of database professionals who are engaged in a very rapidly-developing engineering specialism that demands that you keep up […]
2016-05-30
53 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