T-SQL Tuesday #121: Gifts received for this year Redux 2020
At the end of 2019, Mala (b|t) invited us to write about the gifts we’ve gotten during the year. I’ve decided to try to make this yearly habit. This year...
2020-12-16
13 reads
T-SQL Tuesday #121: Gifts received for this year Redux 2020
At the end of 2019, Mala (b|t) invited us to write about the gifts we’ve gotten during the year. I’ve decided to try to make this yearly habit. This year...
2020-12-16
21 reads
T-SQL Tuesday #121: Gifts received for this year Redux 2020
At the end of 2019, Mala (b|t) invited us to write about the gifts we’ve gotten during the year. I’ve decided to try to make this yearly habit. This year...
2020-12-16
12 reads
T-SQL Tuesday #121: Gifts received for this year Redux 2020
At the end of 2019, Mala (b|t) invited us to write about the gifts we’ve gotten during the year. I’ve decided to try to make this yearly habit. This year...
2020-12-16
29 reads
Announcing the Calgary Data User Group
In 2018 I started a new user group called the Calgary Data User Group, and hosted one session called “The Ethics of Machine Learning.” It was well-attended and its...
2020-12-16
36 reads
Daily Coping 16 Dec 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...
2020-12-16
48 reads
SQL Server Meets AWS Systems Manager
Excited. Have a new solution in the works to deploy Ola Hallengren via SSM Automation runbook across all SQL Server instances with full scheduling and synchronization to S3. Hoping...
2020-12-16
44 reads
SQL Server Meets AWS Systems Manager
Excited. Have a new solution in the works to deploy Ola Hallengren via SSM Automation runbook across all SQL Server instances with full scheduling and synchronization to S3. Hoping...
2020-12-16
57 reads
On table variable row estimations
At first glance, the question of how many rows are estimated from a table variable is easy. But, is it really that simple? Well, not really. To dig into...
2020-12-15
43 reads
On table variable row estimations
At first glance, the question of how many rows are estimated from a table variable is easy. But, is it really that simple? Well, not really. To dig into...
2020-12-23 (first published: 2020-12-15)
450 reads
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Forums
Let's Talk Certifications
Comments posted to this topic are about the item Let's Talk Certifications, which is...
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