A simple Machine Learning process example (supervised) – just to start with
I have just written the fifth article of the Machine Learning topic. !!! This time it is an example of the process – step by step. Do not miss...
2019-08-17
56 reads
Blog Posts
Always On: Troubleshooting Consolidated
Working on Always On and configuration/setup of AG we have observed many errors. especially when configuration listener with following error 19471 or AG could not configure: Creating availability group...
2019-08-17
52 reads
Changing Git Credentials in Windows
tl;dr For Windows when you need a different account. I had to work with a new GitHub account recently and needed to add a separate account. I worked through...
2019-08-16
7,443 reads
Copy Files to a Docker Container
One of the things that’s handy when working with containers is being able to move files in and out of the container. Certainly you can do this from a...
2019-08-16 (first published: 2019-07-31)
408 reads
SQL Homework – August 2019 – Getting the data out
Everything else aside two of the most important tasks of a database are to get data in, and get data ... Continue reading
2019-08-16 (first published: 2019-08-05)
325 reads
David's book: Putting Your Head in the Clouds
I have had a few people contact me over the last few weeks asking if David’s ebook “Putting Your Head in the Clouds” is still available. The short answer...
2019-08-15 (first published: 2019-08-05)
285 reads
Get All Database Snapshots and Their Parent Databases On A SQL Server
This is going to be a quick post but this morning I was asked the question, ‘how can I get the name of all the database snapshots on a...
2019-08-15
188 reads
Installing Microsoft MDS on SQL Server Standard Edition
HaHa, tricked you. You can’t install SQL MDS on Standard Edition. You must first upgrade to SQL Enterprise Edition before you can proceed with an MDS installation. Upgrading SQL...
2019-08-15
104 reads
Running Containers In a Virtual Machine
The more you work with containers, the more you just want to work with containers. However, there are still reasons to have a virtual machine for some types of...
2019-08-15 (first published: 2019-08-05)
326 reads
Big fall conference – PASS Summit schedule is up!
PASS Summit 2019 now has a schedule and learning tracks, and a letter to convince your boss you should go!
The post Big fall conference – PASS Summit schedule is...
2019-08-14
58 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...
WITH clause gets a 26ai boost!
By way of background, a while back I did video called “My New Favourite...
Automatic Index Compaction
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
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