SQL Saturday #33
A one day training event in the Charlotte, NC area. Come join MVPs from around the area at another great SQL Saturday.
Be Responsible
When getting help online, you need to be professional and a part of that is being responsible. Steve Jones reminds us today that we have to be careful about what we post.
Data Mining with Microsoft SQL Server 2008 - Sample Chapter
Another sample chapter from Wiley, this time for one of the hot topics in business intelligence: data mining.
Master Data Services - SSIS MDM Load
The article will provide an overview of Master Data Services and a sample SSIS Package.
Ten Problems with XQuery and the SQL/XML Standard
XQuery and SQL/XML standard are processors for XML. SQL/XML was designed to try to match the capabilities of XQuery as closely as possible and XQuery was designed not only to support XML, but also to support relational processing. Read on to learn why this may have a negative influence on their capabilities.
Overusing Identities
Do you put an identity column on every table? That might be a bad habit you want to kick, but not all at once. Steve Jones comments on this common data modeling practice.
Randomizing Result Sets with NEWID
Seth Delconte brings us a technique to solve a common request. Using the NEWID function to return a random record from a result set.
Reaching for the Clouds
This past week's news had a lot of news about cloud computing and Steve Jones comments on a few database related items.
IntelliSense Slow to Refresh
IntelliSense in SQL Server 2008 can sometimes not be very intelligent. It’s there to help you can sometimes cause more...
Blogs
AI Helps Me with My Sloppiness
By Steve Jones
I type fairly well. Well, I type fast, but I do wear out a...
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...
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