A New Word: Ghough
ghough – n. a hollow place in your psyche that can never be filled; a bottomless hunger for more food, more praise, more attention, more affection, more job, more...
2023-09-29
56 reads
Blog Posts
Friday Flyway Tips: More Config Options
Working with various Flyway configuration options used to be a pain since they were either CLI parameters or in a text files. We’ve made editing these easier in Flyway...
2023-09-29 (first published: 2023-08-25)
143 reads
Temporal Table Data Fixes
I found myself in a situation where I needed to modify temporal tables. We do this outside business hours because we don’t want clients changing data while versioning is...
2023-09-29 (first published: 2023-09-05)
610 reads
T-SQL Tuesday: Encryption and Data Protection
I have the honour of hosting this month’s T-SQL Tuesday. In case there’s any doubt that’s for October 2023, I’m posting this invitation a little early as I got...
2023-09-29
35 reads
FDD 2023 – Session Materials
You can find the slides for my session at Future Data Driven summit at GitHub. It was really nice presenting (virtually). If you have any questions, let me know!
The...
2023-09-27
30 reads
How to Secure SQL Server
Security! This is the word that comes to mind of every concerned person when it comes to storing, accessing, and sharing the data and database or database server. At times when applications are run in geographically restricted areas, there...
2023-09-27 (first published: 2023-09-04)
414 reads
SQL Homework – September 2023 – Time for temporal tables.
Recently I needed to use temporal tables. And not just for the job history table in a managed instance. In ... Continue reading
2023-09-27 (first published: 2023-09-05)
418 reads
Common Mistakes in SQL Server – Part 2
The Identity property creates an incremental value for the specified column automatically, which is why it is widely used by developers when they designed the table and a primary...
2023-09-25
74 reads
Common Mistakes in SQL Server – Part 2
The Identity property creates an incremental value for the specified column automatically, which is why it is widely used by developers when they designed the table and a primary...
2023-09-25
19 reads
Enable PowerShell Remoting
Enable PowerShell Remoting
I use PowerShell quite a lot to manage servers, especially SQL Servers. So I need to be able to run PowerShell...
2023-09-25 (first published: 2023-09-24)
235 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...
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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...
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