How to create System-versioned temporal tables? – New database feature of SQL Server 2016
Creating a System-Versioned Temporal Table – There are three ways to create a system-versioned temporal table with regards to how the...
2018-02-19
1,186 reads
Blog Posts
Moving Lookup Data with ReadyRoll
I’ve been using ReadyRoll for a small project and wanted to move some lookup data. There are some tables where...
2018-02-19 (first published: 2018-02-08)
1,947 reads
SQL Saturday Chicago: I’m speaking
If you’re in Chicago on March 17 and have some free time, why not check out all the cool kids?...
2018-02-19
259 reads
Summary of my Partitioning Series
Partitioning Basics – Part 1 – Creating Partitions
Partitioning Basics – Part 2 – Splitting/Merging Partitions
Partitioning Basics – Part 3 – Switching Data
Partitioning and filegroup restores
Update to...
2018-02-19
466 reads
The default filegroup, and why you should care.
You know you can have multiple filegroups right? You might have a separate filegroup for the data (the clustered index...
2018-02-19
590 reads
Distributing SSH User Keys via PowerShell
Folks in the Linux world are used to moving SSH keys to and from systems enabling password-less authentication. Let’s take a minute to look at what it takes to...
2018-02-18
18 reads
CROSS JOIN for fun
My son, who wishes to be known as “Pigeon” for the duration of this blog, was mixing the names of Hogwarts...
2018-02-17
1,113 reads
New Pluralsight Course – LFCE: Linux Service Management – Advanced HTTP Services
My new course “LFCE: Linux Service Management – Advanced HTTP Services” in now available on Pluralsight here! If you want to learn about the course, check out the trailer here or if you want...
2018-02-17
35 reads
New Pluralsight Course – LFCE: Linux Service Management – Advanced HTTP Services
My new course “LFCE: Linux Service Management – Advanced HTTP Services” in now available on Pluralsight here! If you want to learn about the...
2018-02-17
527 reads
SQL Server Error 3013: Restore Database is Terminating Abnormally
Overview of SQL Server Error 3013
One of the most frustrating situations that a user experiences while working with SQL Server...
2018-02-17
17,568 reads
Blogs
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...
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