OPENJSON and an Alias
Using Aliases in T-SQL is very common. We can alias both Tables (FROM clause) and Columns (SELECT clause) and some other things too. It’s all pretty fundamental to writing...
2020-06-08
298 reads
Data On Wheels – Merging Two Great Minds
I am very excited to announce that my daughter, Kristyna Hughes, will be joining the Data On Wheels team. Our fates and paths to this point seem parallel though...
2020-06-08
142 reads
Power BI FAQ
Power BI has become hugely popular and I find common questions about functionality and features, so I thought I would put in this blog some of those questions with...
2020-06-23 (first published: 2020-06-08)
630 reads
Reading an dataset in R
I got a dataset file the other day with an .rds extension. I had never seen this, but with a quick Google, I figured out this was a dataset...
2020-06-08
109 reads
Daily Coping 8 June 2020
I’ve 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...
2020-06-08
32 reads
AWS RDS and SQL Server Deadlocks
What’s the story with AWS RDS and SQL Server deadlocks? I’m approaching AWS RDS like I was taking on a new role at a new organization. Do we have...
2020-06-08
80 reads
Send a Database Query Result as Email via Logic App in HTML format using Azure Data Factory
(2020-June-07) It is a very simple concept, you have a database query result, either a direct database table output or a stored procedure returned result that needs ...
2020-06-08
2,590 reads
OPENJSON : Getting to the data, and the PATH – PART II
We’ve looked at getting pulling data from a JSON document into relational table format using an explicit schema that was defined in the WITH clause of the OPENJSON table...
2020-06-07
17 reads
OPENJSON : Getting to the data, and the PATH – PART II
We’ve looked at getting pulling data from a JSON document into relational table format using an explicit schema that was defined in the WITH clause of the OPENJSON table...
2020-06-07
31 reads
OPENJSON : Getting to the data, and the PATH – PART I
Recently we reviewed FOR JSON PATH. That was used for shaping tabular data (data that comes directly from a SQL table) into a JSON document. The PATH we are...
2020-06-07
15 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