Why We Don’t Truncate Dimensions and Facts During a Data Load
Every once in a while, I come across a data warehouse where the data load uses a full truncate and reload pattern to populate a fact or dimension. While...
2019-07-25
810 reads
Meagan Longoria
- Website: http://DataSavvy.me
What You Need to Know About Data Classifications in Azure SQL Data Warehouse
Data classifications in Azure SQL DW entered public preview in March 2019. They allow you to label columns in your data warehouse with their information type and sensitivity level....
2019-06-18 (first published: 2019-05-30)
424 reads
Turning a Corporate Color Palette into a Data Visualization Color Palette
Last week, I had a conversation on twitter about dealing with corporate color palettes that don’t work well for data visualization. Usually, this happens because corporate palettes are designed...
2019-06-03 (first published: 2019-05-16)
1,413 reads
Storytelling Without Data?
There are many great resources out there for data visualization. Some of my favorite data viz people are Storytelling With Data (b|t), Alberto Cairo (b|t), and Andy Kirk (b|t)....
2019-04-23 (first published: 2019-04-11)
504 reads
Power BI Now Has Keyboard Accessible Visual Interactions
The March 2019 release of Power BI Desktop has brought us keyboard accessible visual interactions. One of Power BI’s natural...
2019-04-10 (first published: 2019-03-21)
1,876 reads
Power BI: Where Should My Data Live? Webcast
When you start a Power BI project, you need to decide how and where you should store the data in your dataset. There are three “traditional” options: Imported Model:...
2019-03-28
38 reads
There is Now A Delete Activity in Data Factory V2!
Data Factory can be a great tool for cloud and hybrid data integration. But since its inception, it was less...
2019-03-21 (first published: 2019-03-07)
1,908 reads
Violin Plots in Power BI
In case you aren’t familiar, I would like to introduce you to the violin plot.
A violin plot is a...
2019-03-05 (first published: 2019-02-14)
3,118 reads
What Data Is Being Sent Externally By Power BI Visuals?
As you build your Power BI reports, you may want to use maps and custom visuals. Have you thought about...
2019-02-28
56 reads
How Many Data Gateways Does My Azure BI Architecture Need?
It’s not always obvious when you need a data gateway in Azure, and not all gateways are labeled as such....
2019-02-07
882 reads
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