SQL Server Cluster LooksAlive and IsAlive Check
Windows Cluster Service use the “heartbeat” process to check whether each node is alive at both the OS level and SQL Server level. Heartbeat signals works on UDP. Microsoft...
2014-09-22
21 reads
Grant for President
Grant Fritchey is running for the PASS board. He’s not running for President, though I’m not sure why he shouldn’t...
2014-09-22
777 reads
Communication and the Board: #PASSVotes
The whole idea behind PASS is to build a community of people who can assist each other in their daily...
2014-09-22
559 reads
Changing configuration settings with sp_configure
I was recently asked where to go in Configuration Manager to change the settings for xp_cmdshell. It was then that...
2014-09-24 (first published: 2014-09-22)
8,016 reads
Resolving SSDT-BI Installation with IsVisualStudio2012ProInstalled() error
Recently I was building a new virtual machine for presentations, and loaded up my usual battery – Windows 7, SQL Server...
2014-09-24 (first published: 2014-09-22)
6,478 reads
SQL Server Cluster LooksAlive and IsAlive Check
Windows Cluster Service use the “heartbeat” process to check whether each node is alive at both the OS level and...
2014-09-22
11,660 reads
SQLSaturday Orlando Marketing Plan-Part 45
It’s Saturday a week out and I’m trying to finish up messages for the week. A lot to send this...
2014-09-20
722 reads
Parameterization Part 5: Two Common Mistakes
This is the fifth post in my Parameterization series. In previous posts I wrote about parameter sniffing and when it is...
2014-09-23 (first published: 2014-09-20)
9,006 reads
The Student To IT Pro Seminar We’re Doing at SQLSaturday Orlando
Ever since SQLSaturday #1 our venue has been Seminole State College (Seminole Community College back then), provided graciously and perhaps...
2014-09-19
766 reads
Back from DevConnections
I spent a few days at DevConnections this week and really enjoyed the conference. The location was Aria in Las...
2014-09-19
775 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