PASS Virtual Summit 2020: I'm (Virtually) Presenting
I'll be presenting at 7AM Central Time in the first timeslot of the main three-day PASS Virtual Summit 2020 conference. It's long been a goal of mine to present...
2020-11-04
29 reads
Blog Posts
Redgate SQL Data Masker Refreshing Schema
This is a quick blog to help me remember what is going on with the Data Masker product. This is for the SQL Server version, but I believe the...
2020-11-04
44 reads
Restoring Database Users After Copying the Database
A former colleague emailed me with a question about retaining/fixing database users and permissions after restoring a database. They were copying a database from one instance to another, with...
2020-11-04
2,973 reads
Restoring Database Users After Copying the Database
A former colleague emailed me with a question about retaining/fixing database users and permissions after restoring a database. They were copying a database from one instance to another, with...
2020-11-04
15 reads
T-SQL Tuesday Retrospective #003: Relationships
In my quest to respond to every T-SQL Tuesday since the dawn of the end of 2009, it was only a matter of time before Rob Farley’s name came...
2020-11-04
29 reads
Azure Databricks – Adding Libraries
It is a really common requirement to add specific libraries to databricks. Libraries can be written in Python, Java, Scala, and R. You can upload Java, Scala, and Python...
2020-11-03
37 reads
Daily Coping 3 Nov 2020
I 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...
2020-11-03
24 reads
DAX Logic and Blanks
A while back I was chatting with Shannon Lindsay on Twitter. She shares lots of useful Power BI tips there. She shared her syntax tip of the & operator...
2020-11-03 (first published: 2020-10-29)
301 reads
Fundamental Information for Azure Open Source Databases
As all of us know that Microsoft Azure Supporting many different database types such as Azure SQL, Azure Cosmos DB, and Azure support also MariaDB, MySQL, and PostgreSQL so...
2020-11-03
13 reads
Fundamental Information for Azure Open Source Databases
As all of us know that Microsoft Azure Supporting many different database types such as Azure SQL, Azure Cosmos DB, and Azure support also MariaDB, MySQL, and PostgreSQL so...
2020-11-03
55 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