Using a data lakehouse
As I mentioned in my Data Mesh, Data Fabric, Data Lakehouse presentation, the data lakehouse architecture, where you use a data lake with delta lake as a software layer...
2023-03-09
34 reads
Blog Posts
30 Interview Questions for a Database Administrator and Developer
This blog post summarizes the type of technical questions I would ask candidates for a Microsoft SQL Server data platform administrator and database developer role.Hopefully this helps both candidates...
2023-03-08 (first published: 2023-02-28)
1,307 reads
Daily Coping 8 Mar 2023
Today’s coping tip is ask someone how their day is going and really listen to them. I had the chance to do this with one of the kids I...
2023-03-08
19 reads
Documentation vs Automation
Originally, I was going to write a post on troubleshooting SQL Server. This is because I’m writing up and reviewing a lot of documentation at my current job. I’ll...
2023-03-08 (first published: 2023-03-01)
455 reads
T-SQL Tuesday #159– Resolutions
I missed T-SQL Tuesday last month. I got busy and distracted with some travel. For #159, Deepthi Goguri hosted. I’ve enjoyed watching her blog and grow her knowledge the...
2023-03-08
78 reads
Daily Coping 7 Mar 2023
Today’s coping tip is give positive comments to as many people as possible today. On a travel day, I made an effort here. Those are always better for me,...
2023-03-07
21 reads
Synapse Analytics workspace – deployment challenges
Azure Synapse Analytics is not just “another service” in the Azure. It’s very comprehensive set of tools rather than one-goal-tool (like Azure Key Vault or even Storage Account). On...
2023-03-07
46 reads
Daily Coping 6 Mar 2023
Today’s coping tip is to make plans with a friend and catch up with them. I decided to reach out to a friend and make time to catch up....
2023-03-06
23 reads
TOGAF 9 Certified Exam Breakdown
In the last post I hadn’t found the breakdown of questions for the exam. The Open Group does publish the TOGAF 9 Certified Study Guide (link goes to the...
2023-03-06
59 reads
Understanding the TOGAF 9 Foundation Exam
When I teach the ISACA Certified Information Systems Auditor (CISA) course, one of the things I walk candidates through is how the test is structured and how much each...
2023-03-06 (first published: 2023-02-28)
297 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...
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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