Source Control for the Reluctant DBA
This is the 2nd post in the series named SQL Server and Continuous Integration. The previous post explained the problems I...
2016-07-13
936 reads
The Database Avenger
SQL Server and Continuous Integration
This is the 1st in a series of posts on SQL Server and Continuous Integration. Some of the tools I’ll be...
2016-07-07
762 reads
Selective Logging with the UPDATE() Function
Triggers can be very useful when you want to log changes to your data, but what if you’re only interested...
2016-06-22 (first published: 2016-06-16)
2,385 reads
Deletes Ignore Check Constraints
I know it sounds a bit odd but DELETE statements really do ignore table constraints. Running the code below in...
2016-06-03 (first published: 2016-05-30)
3,559 reads
Broken Update With Join
Last month I wrote a post titled Broken Left Join which covered an easy to make mistake that I see...
2016-05-26 (first published: 2016-05-18)
1,805 reads
Minimum Memory Grant Query Hint
This month Wendy Pastrick is the host for T-SQL Tuesday #78. This month we have to “learn something new and blog...
2016-05-19 (first published: 2016-05-10)
3,503 reads
Cumulative Updates Every 2 Months
The SQL Server team is implementing an Incremental Servicing Model (ISM) to deliver updates for SQL Server. This is basically a...
2016-04-25
605 reads
Broken Left Join
Here is a simple example of a LEFT JOIN that returns the sales stats for all employees under 21.
SELECT e.Name,...
2016-04-21
579 reads
Partition Switching #TSQL2SDAY #77
The ALTER TABLE..SWITCH command allows you to almost instantly move large amounts of data from one table to another. It does...
2016-04-20 (first published: 2016-04-12)
4,179 reads
Certain DBs in an AG not Backing Up
Last week, I received an alert that the percentage of transaction log in use on one of our production databases...
2016-03-29
1,005 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