Using AzCopy with Batch Files and Task Scheduler
As regular readers of this blog will know, I’m a big fan of AzCopy, especially now that it has a sync option to keep local data synchronized with blob...
2019-08-28
1,602 reads
Blog Posts
Why is as important as How
I recently had someone tell me, and I’m paraphrasing a bit here: We know how to fix this now, so ... Continue reading
2019-08-28
159 reads
Constructing a datetime from an integer date and an integer time.
Occasionally I’ve seen date and time stored separately as integers. This had some practical applications back before we had date ... Continue reading
2019-08-27 (first published: 2019-08-15)
790 reads
How I Troubleshoot SQL Server Execution Plans
Watch this week's video on YouTube
Part 1: Introduction to Execution Plans
Part 2: Overview of Statistics
Part 3: Reading an Execution Plan
Part 4: Commonly Troublesome Operators
Part 5: Troubleshooting Execution Plans
Today I'm...
2019-08-27
11 reads
How I Troubleshoot SQL Server Execution Plans
Watch this week's video on YouTube
Part 1: Introduction to Execution Plans
Part 2: Overview of Statistics
Part 3: Reading an Execution Plan
Part 4: Commonly Troublesome Operators
Part 5: Troubleshooting Execution Plans
Today I'm...
2019-08-27
24 reads
Using Azure Automation to Shut Down a VM only if a SQL Agent Job is Not Running.
I have a client who uses MDS (Master Data Services) and SSIS (Integration Services) in an Azure VM. Since we only need to execute the SQL Agent job that...
2019-08-27 (first published: 2019-08-15)
247 reads
Certifications are a Bonus, Not A Path to Employment
I’ve never been terribly shy about my beliefs about IT certifications. I sincerely believe they are largely a waste of time. I do recognize that one thing they do...
2019-08-26
184 reads
Git Command Line Tutorial with SQL Change Automation for SSMS (video)
I’m really excited for Redgate’s new SQL Change Automation plugin for SQL Server Management Studio (SSMS). SQL Change Automation lets DBAs and developers use a migrations-first approach to create...
2019-08-26
20 reads
Jenkins in a Container
One of the things I needed to do recently was get Jenkins running as a demo for a customer. We have some pre-built VMs to do this, but I...
2019-08-26 (first published: 2019-08-14)
493 reads
SQL Server Execution Plan Operators
Watch this week’s Execution Plan Operators episode on YouTube. SQL Server Execution Plan Operators When examining a query’s execution plan, certain operators tend to crop up over and over...
2019-08-26 (first published: 2019-08-13)
1,580 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...
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