Daily Coping 2 Mar 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...
2022-03-02
21 reads
Blog Posts
Data Analysis Techniques
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...
2022-03-02
117 reads
Don’t change your default SQL Server port for security reasons
Since we’re on a recent theme of revising long-held best practices that are not, here’s a timely one for you: Don’t change your default SQL Server port for security...
2022-03-02
233 reads
Extended Events Session Properties
I like Extended Events and I regularly use the Session Properties window to create and explore sessions. I’m in the window all the time, noting it’s quirks & odd...
2022-03-02 (first published: 2022-02-15)
223 reads
Recipe 8: Analyzing a Workload
Welcome to a new recipe of this Extended Events cookbook! You will find the first blog post of the series here and you can browse all recipes with the...
2022-03-02
166 reads
Traveling to SQL Bits
I’m heading to SQL Bits this weekend, and will be in London most of next week for the conference. I’m excited. SQL Bits is my favorite conference, as I’ve...
2022-03-02
26 reads
Understanding Volumes vs Storage Pools
In hindsight, I should have done this differently. In a previous post I discussed how I carved up 18TB of storage into various storage pools. Now that I have...
2022-03-02 (first published: 2022-02-18)
663 reads
Daily Coping 1 Mar 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...
2022-03-01
21 reads
Goal Progress for Feb 2022
I set goals at the beginning of the year, and I’m tracking my progress in these updates during 2022. February became more of a work month for me, and...
2022-03-01
23 reads
Heap Tables
In today’s blog posting I want to talk about Heap Tables in SQL Server. Heap tables are tables without a Clustered Index. A table in SQL Server can have...
2022-03-01
409 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