HTC Pro Trade-In
I saw a note that T-Mobile is accepting trade-ins of an iPhone for credit towards a new HTC HD2. That’s...
2010-04-05
666 reads
Blog Posts
Microsoft Drops Support For Itanium after SQL Server 2008 R2
Microsoft’s Dan Reger has announced that Microsoft will not be supporting the Itanium architecture after Windows Server 2008 R2, SQL...
2010-04-05
2,346 reads
Nested views causing query performance woes....
Just ran into an interesting issue AGAIN. It seems that when you nest views in a query you are opening...
2010-04-05
8,693 reads
nHibernate, First Look at TSQL
I’ve blogged in the past about the nHibernate project that has been going on at my company for the last...
2010-04-05
1,018 reads
Product Review: Fences
Fences is a free utility for the Windows desktop that lets you drag shortcuts into boxes you define (fences) and...
2010-04-05
432 reads
A DMV a Day – Day 4
The DMV for Day 4 is sys.dm_os_sys_memory, which is described by BOL as:
Returns memory information from the operating system. SQL...
2010-04-04
1,352 reads
Differential Backups
My last few posts have been backup orientated, I have a post on Full Backup, a post on Transaction Log...
2010-04-04
1,299 reads
Parsing SQL for Table Names
Visual Studio Team System 2008 Database Edition (VSDB) ships with a .NET class for parsing T-SQL. I’ve previously blogged about...
2010-04-04
2,178 reads
SQL Server 2008 MCM Results
SQL Server 2008 MCM Results
3 weeks of intense training, intense studying, 3 written tests, and one 6 hour lab exam....
2010-04-04
1,441 reads
SQL Server 2008 R2 Update for Developers Training Kit (March 2010 Update 2)
SQL Server 2008 R2 Update for Developers Training Kit (March 2010 Update 2)
15 Presentation 24 Demo13 Hands-on Labs35 Videos
The training kit...
2010-04-04
1,305 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