2020-07-21
11 reads
Blog Posts
2020-07-21
10 reads
Refreshing a Power BI Dataset in Azure Data Factory
I recently needed to ensure that a Power BI imported dataset would be refreshed after populating data in my data mart. I was already using Azure Data Factory to...
2020-07-21 (first published: 2020-07-09)
421 reads
Snowflake – Understanding constraints
One of the concepts in Snowflake that I find many struggle with is how constraints are handled. If you come from a traditional database platform such as Microsoft SQL...
2020-07-21 (first published: 2020-07-08)
636 reads
AWS Deployment Pipelines
I’m at the just barely scratching the surface level of getting started with AWS Deployment Pipelines. Of course, the first thing I want to do with them is get...
2020-07-20
62 reads
Checking Azure SQL DB service tier via T-SQL
If you have to manage or work with an Azure SQL database and want to know what service tier the database is currently operating, but you don't have access...
2020-07-20
89 reads
Checking Azure SQL DB service tier via T-SQL
If you have to manage or work with an Azure SQL database and want to know what service tier the database is currently operating, but you don't have access...
2020-07-20
3,947 reads
Consistency Architecture in Azure Cosmos DB
In my first article in Azure Cosmos DB, we talked about What is Cosmos DB and How to provisions it, then in the Second article we talked about Partitioning Architecture in Azure Cosmos...
2020-07-20
15 reads
Daily Coping 20 Jul 2020
I’ve started to add a daily coping tip to the SQLServerCentral newsletter and to the Community Circle, which is helping me deal with the issues in the world. I’m...
2020-07-20
12 reads
Database Fundamentals #27: Creating a Primary Key in the Table Designer
Defining primary keys is the hardest part of the operation. You will need to work very closely with the business in order to define exactly what column or columns...
2020-07-20 (first published: 2020-07-14)
343 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