The Performance Game
I've posted in the forums fairly often that there's kind of a black art to performance tuning. As with most...
2007-08-14
1,455 reads
I've posted in the forums fairly often that there's kind of a black art to performance tuning. As with most...
2007-08-14
1,455 reads
2007-08-14
1,444 reads
2007-08-13
2,580 reads
There has been tons of work over the last few decades on queueing theory, mainly in regard to operating systems...
2007-08-11
1,676 reads
2007-08-10
1,636 reads
I got a note from someone at Red Gate about disengagement with the newsletter and site. Actually it was my...
2007-08-09
1,410 reads
2007-08-09
1,639 reads
It's not directly SQL Server, but it does prevent me from working with SQL Server 🙂
So I'm in Virginia this...
2007-08-08
2,902 reads
2007-08-08
1,604 reads
Maybe not. This is a great post and cartoon from David Reed (a friend) mentioning me.
We've had some good arguements...
2007-08-07
1,588 reads
By Steve Jones
I type fairly well. Well, I type fast, but I do wear out a...
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
I’m sure you’ve all heard the tale of Goldilocks and the Three Bears, but...
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
Comments posted to this topic are about the item How We Handled a Vendor...
Comments posted to this topic are about the item Cognitive Coverage
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