Analyzing the SQL Server Plan Cache
Keeping in mind the importance of the cache mechanism, how could one get the plans and their usage statistics in SQL Server?
The Hassles of Travel - Part 2
I didn't want to go on this trip, but I agreed to do it. Now I regret it. My flight to Chicago was fairly uneventful, but it was running late. At 4:30CST the pilot says we should be on the ground in 30 minutes, which is good since I have to get to...
The Story of the TV Stand
We all have those things that happen at work that somehow turn into something other than expected, and sometimes in quite humorous fashion. I've got a few to share over the next couple months, but had to start with this one!
Managing Your IT Data
A new application manages data from your IT machines and software, but doesn't use a database. Steve Jones talks a little about this.
Virtual Memory - Database Weekly (Jan 19, 2009)
Virtual memory is something we deal with in Windows systems, but Steve Jones talks about a different kind of virtual memory this week.
Virtual Memory - Database Weekly (Jan 19, 2009)
Virtual memory is something we deal with in Windows systems, but Steve Jones talks about a different kind of virtual memory this week.
Virtual Memory - Database Weekly (Jan 19, 2009)
Virtual memory is something we deal with in Windows systems, but Steve Jones talks about a different kind of virtual memory this week.
Hidden RBAR: Triangular Joins
Just because it looks set based, doesn't mean it is. T-SQL Crackerjack Jeff Moden takes a look at a mistake that many query writers make.
Open Source Pay
Steve Jones talks about salaries and whether or not there's value in disclosing them. Respond to this Friday poll.
Adobe AIR: Running SQL Commands Against a Local Database
Once you've established a connection between an Adobe AIR application and a local database, you can run SQL commands (CREATE TABLE, INSERT, DELETE, SELECT, etc.) using the flash.data.SQLStatement class. Find out how.
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