SQL Saturday #41 - Register and Call for Speakers
If you'll be near Atlanta on Apr 24, 2010, come to SQL Saturday #41. If you are at all interested in speaking, submit a session.
Professional Microsoft SQL Server 2008 Programming - Sample Chapter
Professional Microsoft SQL Server 2008 Programming Master the increasingly complex feature set of the latest release of Microsoft SQL Server with the information in Professional Microsoft SQL Server 2008 Programming. Review the new features of SQL Server that will be of interest to you as an experienced developer and move on to more detailed, practical […]
Stop, Don't Panic
Your response in a crisis situation can be critical to how quickly you solve the issue. Steve Jones reminds you to stay calm in today's editorial.
T-SQL: Why “It Depends”
Why does everyone use "it depends" as an answer to many T-SQL questions? Bob Hovious brings us a short example of how performance can change based on data loads for the same code.
An overview of Master Data Services - MDS in SQL Server 2008 R2
With Master Data Services, IT organizations can centrally manage critical data assets companywide.
Solving All Versus (Select All) SSRS End User Confusion
When developing reports that use Analysis Services as a data source end user can sometimes be confused about some of...
Beginning T-SQL 2008 - Book Review
A book review of a new T-SQL book for SQL Server 2008, written by longtime SQLServerCentral author and MVP, Kathi Kellenburger.
Database Documentation: Joining up the Dots
This week, a guest editorial from Phil Factor on how SQL Server database documentation falls woefully short of what is required and expected by most development teams.
Denormalization Strategies
In building a database, typically we want a well normalized design. However there are cases for considering options for denormalization in complex systems. Timothy Claason gives you some thoughts on the subject.
SQL Server Central launches online training for SQL Server Developers, DBA’s, and Analyst’s
Build your SQL Server skills without leaving your desk.
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