Introducing The Undercover Catalogue
In this video, David give a quick introduction into the Undercover Catalogue.
2020-01-20
41 reads
Blog Posts
PowerShell to Backup XE Session
Working with Extended Events will help you become a better DBA. Working with PoSh can also help you in many various tasks to become a better DBA. Combine the...
2020-01-20 (first published: 2020-01-10)
280 reads
Previous SQL Server Updates
Hello everyone, this is John your Austin SQL Server Consultant here and today I am going to answer a question that comes up often so I wanted to blog...
2020-01-20 (first published: 2020-01-09)
486 reads
Spark Delta Lake, Updates, Deletes and Time Travel
When you use delta lake there are a couple of interesting things to note based around the fact that the data is stored in parquet files which are read-only...
2020-01-20
3 reads
Spark Delta Lake, Updates, Deletes and Time Travel
When you use delta lake there are a couple of interesting things to note based around the fact that the data is stored in parquet files which are read-only...
2020-01-20
19 reads
Controlling who commits code to a given database schema in Git with Azure DevOps
One of most the fun things about working as an Advocate at Redgate is getting to help clients determine their preferred workflow for database DevOps. Teams often have unique...
2020-01-18
20 reads
How I passed the 70-761 certification exam
FUN FACT: I have been a Microsoft Certified Professional for SQL Server for over 20 years. Second FUN FACT: the last time I took a Microsoft certification exam was...
2020-01-18
7 reads
Help! My restore has finished but the database still has a status of recovering.
I’ve been thinking about writing this for a bit and then a co-worker actually had this problem recently, so, well, ... Continue reading
2020-01-17 (first published: 2020-01-08)
697 reads
My Desktop Setup
Every once in awhile when I’m recording a Pluralsight course, I’ll take a photo of my desk to let people see the behind the scenes of the process. Well,...
2020-01-17 (first published: 2020-01-08)
796 reads
DevOps for databases: “DataOps”
DevOps, a set of practices that combines software development (Dev) and information-technology operations (Ops), has become a very popular way to shorten the systems development life cycle and provide continuous delivery of...
2020-01-16 (first published: 2020-01-07)
1,185 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