Quick NoLock with SQL Prompt
First, please, please, please, avoid NoLock. You can lose data, or get strange results, as Jason Strate demonstrates (blog | video). Before you read further or try this, read...
2021-03-10
196 reads
T-SQL Tuesday Retrospective #011: Misconceptions
(If you would like to read the previous T-SQL Tuesday Retrospective entries, visit this link.) In October 2010, Sankar Reddy asked us which misconceptions we’ve been labouring under when...
2021-03-16 (first published: 2021-03-10)
320 reads
How SQL Server Synonyms Help Database DevOps
Synonyms inside SQL Server are one of those useful but forgotten features. A synonym is a database level object that allows you to provide an alternative name for another...
2021-03-10
36 reads
How SQL Server Synonyms Help Database DevOps
Synonyms inside SQL Server are one of those useful but forgotten features. A synonym is a database level object that allows you to provide an alternative name for another...
2021-03-15 (first published: 2021-03-10)
308 reads
Daily Coping 10 Mar 2021
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...
2021-03-10
29 reads
Right sizing int : T-SQL Tuesday #136
Brent Ozar (blog|twitter) is our host this month, which will make this the most popular #tsql2sday to date I’m sure. ... Continue reading
2021-03-15 (first published: 2021-03-09)
336 reads
Administering Relational Databases on Microsoft Azure: DP 300 study guide
I am excited to share an important milestone in my life. My third book, “Administering Relational Databases on Microsoft SQL“, is released. Co-authored with Ahmad Yaseen and Rajendra Gupta,...
2021-04-19 (first published: 2021-03-09)
648 reads
T-SQL Tuesday #136–The Datatype Blog
It’s that time of the month again, and this time it’s an interesting topic. The invitation is from Iceland, where Brent Ozar has relocated for the foreseeable future. I’m...
2021-03-09
89 reads
Daily Coping 9 Mar 2021
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...
2021-03-09
32 reads
SQL server BIGINT
It has been a while since I wrote a blog post for TSQL Tuesday and there is no better time then now following on from Brent Ozar’s Invite about...
2021-03-09
166 reads
Blogs
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...
Au Revoir for now
By Steve Jones
No, I’m not quitting or retiring. Just going on vacation, but I leave tonight...
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