When did SQL Server start and how long is the downtime window?
This is an old topic, and there have been quite a few blogs (and following comments) that illustrate how to...
2010-05-27
3,739 reads
Jeffrey Yao
Issue with SQL Server 2K5 SP3 CU5
In case you are considering to apply SQL Server SP3 CU5 (http://support.microsoft.com/kb/972511) to your system, I'd like to point out one issue / bug we found with CU5.
2009-09-15
3,000 reads
Issue with SQL Server 2K5 SP3 CU5
In case you are considering to apply SQL Server SP3 CU5 (http://support.microsoft.com/kb/972511) to your system, I'd like to point out...
2009-09-12
1,576 reads
Journey to trouble-shoot Error 5042 (cannot remove a file xxx because it is not empty)
I was working on a table partition management task yesterday. The table is partitioned on a datetime column, and each...
2009-08-10
8,942 reads
Thoughts on SSC Blog Site Improvement
I have been reading blogs from various sources, such as blogs on SSC, and on sqlblog.com etc. However on all...
2009-04-22
750 reads
Database Administration Literature Criticism
What is literature? I find this definition is pretty intuitive at http://classiclit.about.com/od/literaryterms/g/aa_whatisliter.htm and also this one is more comprehensive at...
2009-04-19
1,012 reads
DBA Education
I always consider taking seminars and technical conferences as a key component in my DBA education framework
2009-02-03
1,484 reads
DBA Education
I always consider taking seminars and technical conferences as a key component in my DBA education framework
Last week (Jan 21...
2009-01-27
1,741 reads
List Objects in a Filegroup in SQL Server 2005
I have tried hard to google a SQL query to find what objects exist in a specific filegroup, but in...
2009-01-16
12,552 reads
DBA Mission and Vision Statement
There is a saying that "The important is often not
urgent and the urgent not important". I could not agree more...
2009-01-03
18,340 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