Azure Databricks Overview
I have spent many long weekends getting stuck into Azure Databricks, plenty of time to understand the core functionality from mounting storage, streaming data, knowing the delta lake and...
2020-10-06
180 reads
Daily Coping 6 Oct 2020
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...
2020-10-06
44 reads
Exporting Environment Variables out of the SSIS Catalog
Sometimes when you’ve created a SSIS catalog, along with folders, environments and environment variables, you want this content on another server. Unfortunately, you can only script out these objects...
2020-10-14 (first published: 2020-10-06)
507 reads
New Presentation - The SQLFamily
A couple months ago I delivered a short (15 minute) presentation at work about the importance of having a good professional network and how I’d found mine. As I...
2020-10-06
19 reads
Getting Your Employer to Pay for the PASS Summit
It’s just over 30 days to the 2020 PASS Summit and that is plenty of time to get the boss to say yes, but you have to ask! I...
2020-10-14 (first published: 2020-10-05)
197 reads
A Database Playlist for Your Mom
Recently someone asked me if I had a video explaining what a database was. I didn’t, but was curious. Apparently, this person wanted to learn a bit about databases...
2020-10-05
44 reads
Row Numbers in Azure Data Factory Data Flows
(2020-Oct-05) Adding a row number to your dataset could a trivial task. Both ANSI and Spark SQL have the row_number() window function that can enrich your data with a unique...
2020-10-12 (first published: 2020-10-05)
8,454 reads
Assuming Good Intentions
With all the stuff going on around the world over the last year, maintaining some degree of mental stability can be quite a challenge. Speaking only for myself, while...
2020-10-09 (first published: 2020-10-05)
365 reads
Daily Coping 5 Oct 2020
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...
2020-10-05
27 reads
2020-10-04
60 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
Comments posted to this topic are about the item Let's Talk Certifications
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