Ever since the release of Always On Availability Group (AG or HADR) in SQL Server 2012 the adoption ratio is increasing. A lots of my clients too are adopting...
2024-01-03 (first published: 2023-12-25)
4,375 reads
According to Rod Trent, Kusto is named after Jacques Cousteau. He says, “We are exploring the depths of our data” by searching and querying our Azure log data. His...
2024-01-03 (first published: 2023-12-26)
323 reads
After several discussions with the Microsoft team and chatting with Sunil Sabat about the testing I was conducting, the conclusion was...
2024-01-03
4 reads
It’s a holiday today, but I’m dropping this as I spent last week working on it. I wrote about having a career plan on Friday, with a few notes...
2024-01-01
44 reads
I got this question from an account rep: if a customer is using SQL Prompt and a snippet, for example AT, that was also used as an alias, is...
2024-01-01 (first published: 2023-12-13)
279 reads
Spark Connect References https://spark.apache.org/docs/latest/spark-connect-overview.html
https://www.databricks.com/blog/2022/07/07/introducing-spark-connect-the-power-of-apache-spark-everywhere.html
Reference Implementations Rust
GOLang
Source gRPC proto files https://github.com/apache/spark/tree/master/connector/connect/common/src/main/protobuf/spark/connect
Useful Videos If this doesn’t get you excited then nothing will it is, of course, suitable for work, it is...
2024-01-01
25 reads
koinophobia – n. the fear that you’ve lived an ordinary life. The last one of the year. I’ve enjoyed reading through this dictionary, learning new (made up) words, and...
2023-12-29
226 reads
In one of the sessions I attended during the Pass Data Community Summit the speaker asked “If master is in ... Continue reading
2023-12-29 (first published: 2023-12-19)
291 reads
Last Updated on January 18, 2024 by John Morehouse Did you know that you can deploy native VMWare virtual machines into Azure? Yeah, I didn’t either until earlier this...
2023-12-29
40 reads
Recently I was doing a demo and a customer asked how I had linked my commit in Azure DevOps to the work item that existed. It’s easy, and tldr;...
2023-12-29
35 reads
By Steve Jones
I type fairly well. Well, I type fast, but I do wear out a...
By way of background, a while back I did video called “My New Favourite...
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
WA:0817-866-887 Jl. Dr. Soetomo No.118, Darmo, Kec. Wonokromo, Surabaya, Jawa Timur 60241
WA:0817-866-887 Jl. Kusuma Bangsa No.35, Ketabang, Kec. Genteng, Surabaya, Jawa Timur 60272
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