2020 Advent of Code–Day 4
This series looks at the Advent of Code challenges. As one of my goals, I’m working through challenges. This post looks at day 4. I’m going to do this...
2021-04-28
18 reads
Blog Posts
Ambling through undocumented DBCC commands may result in boredom
There comes a time when we heed a certain call. The call is to avoid dangerous undocumented DBCC commands in SQL Server, especially those that bypass built-in protections. I’m...
2021-04-28
16 reads
Daily Coping 28 Apr 2021
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...
2021-04-28
7 reads
My Deadlock Resolution Progress Report
As I wrote last month, I went through a period of feeling personally and professionally deadlocked, and flailed about for some time before I found the answer of making...
2021-04-28 (first published: 2020-02-21)
383 reads
Daily Coping 27 Apr 2021
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...
2021-04-27
13 reads
Geek Sync: Meeting Security Benchmarks and Compliance with Microsoft SQL Server
Tomorrow, April 28, 2021, 12 PM EDT, I will be talking about meeting security benchmarks and compliance requirements with Microsoft SQL Server. Here is the registration link: Geek Sync...
2021-04-27
43 reads
Machine Learning – Introduction
Machine Learning : it is a system where system will learn how the pattern is going and accordingly we can predict the future information. There are two types in...
2021-04-27 (first published: 2020-04-26)
443 reads
Modern Data Warehouse explained
I created a short YouTube video (20 minutes) that is a whiteboarding session that describes the five stages (ingest, store, transform, model, visualize) that make up a modern data...
2021-04-27
7 reads
Using Pester to Improve Operational Tasks
Taking the Time To Test
Requirements in a constant state of change set you up for failure.
Failure to work through requirements before starting can also increase the risk of failure.
Planning...
2021-04-27 (first published: 2020-04-20)
792 reads
Checking for SQL Server Updates with dbatools
It turns out I was doing this all wrong for months. For the longest time, I’ve been checking my SQL Server instances to see what needs patching with Test-DbaBuild...
2021-04-26 (first published: 2020-04-28)
955 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...
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...
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...
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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