You don’t need a blockchain
After writing several posts about a neat feature in Azure SQL called system-versioned ledger tables, it reminded me about something I’ve wanted to say for a number of years...
2021-10-27
41 reads
Randolph West
- Twitter: @_randolph_west
- Website: https://bornsql.ca/blog/
- LinkedIn: https://linkedin.com/in/rabryst/
Join me next week at my first GroupBy session
2021 has been the year people want to learn about Temporal Tables, it seems. Not only am I speaking at the SQL Trail conference next week, but I was...
2021-10-20
55 reads
System-versioned ledger tables: things you can’t do
This is the third post in the series about system-versioned ledger tables, a new feature introduced in Azure SQL Database. You can read Part 1 and Part 2 if...
2021-10-13
34 reads
Join me at SQL Trail 2021 to hear the next thing about Temporal Tables
I’ve had the privilege of presenting all over the world about temporal tables in SQL Server including the United Kingdom, Canada, and the United States. The theme of the...
2021-10-06
45 reads
System-versioned ledger tables: the next step
In the first post of this series, we learned about a new type of system-versioned table that also works at the database level and introduces a mechanism that demonstrates...
2021-09-29
67 reads
Accessibility in font choice
Choosing the right typeface for your presentation (or for that matter anything you create that contains words) is fraught. In a previous post I wrote about the difference between...
2021-09-22
57 reads
Introducing system-versioned ledger tables
As long-time readers of this blog know, I’m a big fan of temporal tables, also known as system-versioned temporal tables. Until recently, temporal tables were synonymous with system-versioned tables,...
2021-09-15
291 reads
Why you need a Dead Man’s Switch
Right off the top here, I must note that the term “dead man’s switch” is archaic, so for the rest of this post I’ll refer to it as “operator...
2021-09-08
54 reads
Let’s talk about typefaces
I have previously written about accessibility in video captions, presentation slides, and disabilities, and I thought I should expand on the latter topic as it relates to typefaces, or...
2021-09-01
41 reads
Think twice about storing JSON in your SQL Server database
During routine maintenance on a customer’s production server, I discovered that they have one table consuming 40% of the storage in their database. That table contains just under 10...
2021-08-25
73 reads
Blogs
How to Clear the SSMS Cache (SSMS 21 and Later)
By SQLPals
How to Clear the SSMS Cache (SSMS 21 and Later) Updated...
The flight recorder: Replaying what an AI agent did on my SQL Server
By Arun Sirpal
“What exactly did it do on my server?” is the first question a DBA...
Announcements from the Microsoft Fabric Community Conference — Barcelona 2026
By James Serra
Microsoft shared a broad set of Fabric, Power BI, and SQL updates at FabCon...
Forums
Let's Talk Certifications
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The Hidden Security Risks of Role Combination in SSAS Tabular
Comments posted to this topic are about the item The Hidden Security Risks of...
The Empty Aggregate
Comments posted to this topic are about the item The Empty Aggregate
Question of the Day
The Empty Aggregate
I have this table in a SQL Server 2025 database:
CREATE TABLE [dbo].[CustomerOrder] ( [OrderID] [int] NULL, [CustomerID] [int] NULL, [total] [money] NULL ) ON [PRIMARY] GOWhat is returned from this code? (answers are for the sum and then the count)
SELECT SUM(total) AS sum,
COUNT(total) AS count
FROM dbo.CustomerOrder;
See possible answers