TempDB – Relocate the TempDB Database Files
I took control of a new server recently and noticed that Tempdb was not configured to best practice. It was...
2010-03-28
1,294 reads
Blog Posts
Making Sense of Replication Errors in Replication Monitor
Making Sense of Replication Errors in Replication Monitor If you've ever had to deal with errors in Replication Monitor, your first...
2010-03-27
12,085 reads
So you want to write a blog?
First, figure out what you want to write about. It should be something you have passion for. And it should...
2010-03-27
1,535 reads
SQL Server Social Group a Fresh Perspective on User Group Meetings
The Cam river flows through Cambridge, England. At the center of the river you can see a punt (a type...
2010-03-27
474 reads
Book Review: Titan The Life of John D. Rockefeller, Sr.
I read Titan: The Life of John D. Rockefeller, Sr. ($13 @ Amazon) as one of the books recommended to me...
2010-03-26
864 reads
Certification
There seems to be quite a flurry of talk these days about certification. There is evidence of it in the...
2010-03-26
1,267 reads
Cross Apply Ambiguity
Cross apply (and outer apply) are a very welcome addition to the TSQL language. However, today after a few hours...
2010-03-26
1,936 reads
Indexed Views
Views are used quite often within SQL Server for a number of reasons. They can be used to restrict access...
2010-03-26
468 reads
Learning About Microsoft Certified Master: SQL Server
Among the Microsoft certifications, the Microsoft Certified Master is the apex of all of them except maybe the Microsoft Certified...
2010-03-26
1,677 reads
Simple Series : SSIS Conditional Split
Conditional Split is a very powerful component, enabling you to send records in different directions or exclude them from the downstream...
2010-03-26
917 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