2020-07-21
16 reads
2020-07-21
24 reads
Multi-subnet AlwaysON Failover Testing - Part 2
Let’s do Multi-subnet AlwaysON failover testing for different scenarios
2020-07-21
27 reads
Consistency Architecture in Azure Cosmos DB
In my first article in Azure Cosmos DB, we talked about What is Cosmos DB and How to provisions it, then in the Second article we talked about Partitioning Architecture in Azure Cosmos...
2020-07-20
28 reads
Azure DevOps Changing Build Notifications
I don’t do a lot of team builds in Azure DevOps, but I constantly use it for demos. However, I’m often experimenting with things and I break builds regularly....
2020-07-30 (first published: 2020-07-20)
323 reads
Business Continuity in SQL Database
I have wrote a number of blogs on the topic of business continuity in SQL Database before (HA/DR for Azure SQL Database, Azure SQL Database high availability, Azure SQL...
2020-08-03 (first published: 2020-07-20)
452 reads
AWS Deployment Pipelines
I’m at the just barely scratching the surface level of getting started with AWS Deployment Pipelines. Of course, the first thing I want to do with them is get...
2020-07-20
70 reads
Checking Azure SQL DB service tier via T-SQL
If you have to manage or work with an Azure SQL database and want to know what service tier the database is currently operating, but you don't have access...
2020-07-20
101 reads
Checking Azure SQL DB service tier via T-SQL
If you have to manage or work with an Azure SQL database and want to know what service tier the database is currently operating, but you don't have access...
2020-07-20
4,008 reads
Daily Coping 20 Jul 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...
2020-07-20
18 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