Connecting to Single Server MySQL
We have already created the server now it’s time to connect to it. What you will need – connection string details, correct networking setup and a tool like MySQL...
2022-02-03
24 reads
Blog Posts
Daily Coping 3 Feb 2022
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...
2022-02-03
20 reads
How to get Change Data Capture to work in an Availability Group
If you’ve ever had to implement Change Data Capture (CDC) for a database in an Availability Group, then you know that the CDC jobs don’t really consider the Availability...
2022-02-03
159 reads
Azure Files–Standard and Premium
This is part of a series on my preparation for the DP-900 exam. This is the Microsoft Azure Data Fundamentals, part of a number of certification paths. You can...
2022-02-02
91 reads
Checkpoint Analysis: Your Exclusive How-To with XEvents
Checkpoints are essential in SQL Server to help with the durability and reliability of data persisted in the database. When done right, you barely even notice them and performance...
2022-02-02 (first published: 2022-01-14)
534 reads
Daily Coping 2 Feb 2022
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...
2022-02-02
24 reads
Don’t optimize for ad hoc workloads as a best practice
(This post was co-authored by Erik Darling.) The more things stay the same, the more they change… No, that’s not a mistake. In fact, it’s a reference to long-held...
2022-02-02
64 reads
SQL Homework – February 2022 – “Soft” skills.
Well, it’s a new year and a new start, even if I am a bit behind the start of the ... Continue reading
2022-02-02
4 reads
Using dbachecks for CIS Security Checks
Well back at the end of 2019 I finished writing most of the checks related to the CIS Center for Internet Security requirements. I have yet to write a...
2022-02-02 (first published: 2022-01-21)
2,437 reads
Setup Kerberos Constrained Delegation for Group Managed Service Accounts
Kerberos delegation is not a new concept in Active Directory; however, setting it up for Group Managed Service Accounts (gMSA) can be a bit confusing. Unlike normal domain accounts,...
2022-02-01
927 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