How Do I Identify Invalid or Unneeded Logins?
Introduction
I was looking at one of my servers and was caught off-guard by how many individual users had been granted...
2010-04-07
526 reads
Is Anybody Using That Stored Procedure?
Introduction
From time to time I get asked to check if a stored procedure is still used in preparation for dropping...
2010-04-06
493 reads
Get Users By Connection
Introduction
I was recently working a production issue that required me to log in via the Dedicated Administrator Connection (DAC). When...
2010-04-05
344 reads
Managing the Size of the Security Cache (TokenAndPermUserStore) in SQL 2005
Introduction
In an earlier post I walked through the diagnosis of a problem with TokenAndPermUserStore bloat in SQL 2005.In this post...
2010-03-25
1,096 reads
My Adventures with the SQL 2005 Security Cache
Introduction
For that past couple of months I have been chasing performance issues with one of the most high profile servers...
2010-03-09
502 reads
Why Do My SQL 2008 Compressed Backups Shrink?
Introduction
Recently a coworker was doing some research with SQL 2008 Backup Compression on a very large database. During the testing...
2010-02-25
422 reads
Why Do I Need All These Servers?
Introduction
I am frequently getting requests for a new server to do this or that. Running through the usual questions to...
2010-02-23
470 reads
Stored Procedure to Sequentially Run SQL Agent Jobs
Introduction
Here is another one of my utility scripts. Lately it seems like all I am blogging about is utility scripts,...
2010-02-01
2,580 reads
Stored Procedure to Get SQL Job Execution Status
Introduction
Ever need a programmatic way to figure out if a SQL Agent job is running? I did. After spending a...
2010-01-31
2,547 reads
Using sp_ExecuteSql to Run Dynamic SQL
Introduction
Lately it seems like I am being bombarded by Dynamic SQL and people who insist it is the only way...
2010-01-21
635 reads
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