SQL and NOT SQL: Best of 2017
Photo by Rick Meyers on UnsplashWith only a few days left in 2017, I thought it would be fun to do a year...
2017-12-26
429 reads
Bert Wagner
SQL and NOT SQL: Best of 2017
With only a few days left in 2017, I thought it would be fun to do a year in review post. Below you'll find some of my top 5...
2017-12-26
8 reads
How To Create Multi-Object JSON Arrays in SQL Server
Recently I was discussing with Peter Saverman whether it would be possible to take some database tables that look like...
2017-12-19
8,490 reads
How To Create Multi-Object JSON Arrays in SQL Server
Recently I was discussing with Peter Saverman whether it would be possible to take some database tables that look like this:
And output them so that the Cars and Toys...
2017-12-19
119 reads
Reducing the Number of Reads in Your Queries
“A-Bridged” – reducing reads – get it? I’m sorry you’re reading this. Photo by Jamie Street on UnsplashIn last week’s post, we went over how...
2017-12-12
220 reads
Reducing the Number of Reads in Your Queries
In last week's post, we went over how one of best ways to improve query performance was to reduce the number of reads that your query has to do.
Less reads...
2017-12-12
14 reads
Learning Through Blogging and Speaking
This post is a response to this month’s T-SQL Tuesday prompt created by Mala Mahadevan. T-SQL Tuesday was created by...
2017-12-12
171 reads
Learning Through Blogging and Speaking
This post is a response to this month's T-SQL Tuesday prompt created by Mala Mahadevan. T-SQL Tuesday was created by Adam Machanic and is a way for SQL users...
2017-12-12
13 reads
How to use Statistics IO to Improve Your Query Performance
SQL Server’s STATISTICS IO reporting is a great tool to help you performance tune queries.Usually the goal of performance tuning...
2017-12-05
3,567 reads
How to use Statistics IO to Improve Your Query Performance
SQL Server's STATISTICS IO reporting is a great tool to help you performance tune queries.
Usually the goal of performance tuning is to make your query run faster. One of...
2017-12-05
68 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