SQL Server Resource Governor Game
Learn about the SQL Server Resource Governor and how it can be used to manage your SQL Server workloads via this game format that can help your team gain better insights.
The changing landscape of continuous database integration
Considering introducing continuous database integration? Learn the principles in this ThoughtWorks webinar hosted by Pramod Sadalage, expert in this discipline and author of several books about database refactoring and development.
Finding the Optimal Value of Hyperparameters through Grid Search
Summary This article aims at demystifying what grid search is and how we can use to obtain optimal values of our model parameters. It would be highly beneficial for the reader if the prequels to this article are read to gain a holistic understanding of the various techniques that can be used in optimizing the […]
The Tech Blame Game
There has been a trend to blame a single IT person, or a small group, for issues in large enterprises. Nowhere else in the corporate world would one person be blamed for a major failure.
DBA in training: SQL Server high availability options
DBAs must make sure data is highly available, and there are many SQL Server high availability options. Pamela Mooney discusses those options in this article.
Redgate Streamed: Embracing technology trends for database success
Innovating in the database is crucial for success, and we’re seeing new trends impact the database, like cloud migration, SRE, and the growing need for big data and tools to support growing estates. On 23 June, Redgate Streamed brings you organizations who have implemented these database technology trends, including speakers from Google, Microsoft, and AWS, who will share their success stories and tips for embracing technology changes.
Scaling Deployment
This week there was an interesting article on DevOps and Ancestry.com's DevOps process. They are a fairly large enterprise, with 70+ teams that need to deploy code on a regular basis. As they've grown, there was some concern over each team learning how to best build their software pipeline. While they shared knowledge with each […]
The NoSQL Misdirections
Editorial Note: This is a republish, in memory of Mike who passed away too soon. You can see his memorial at sqlmemorial.org. Recently I have been working with a colleague who is doing a bit of a side projects outside of work. He's trying to expand his skillset using a pet project at home. I encouraged […]
The changing landscape of continuous database integration
Considering introducing continuous database integration? Learn the principles in this ThoughtWorks webinar hosted by Pramod Sadalage, expert in this discipline and author of several books about database refactoring and development.
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