The COUNT function in T-SQL
The COUNT function is among the most used functions in the T-SQL codes. Even though COUNT is easy to use, it should be used carefully because it could often not...
2016-06-11
17 reads
The COUNT function in T-SQL
The COUNT function is among the most used functions in the T-SQL codes. Even though COUNT is easy to use, it should be used carefully because it could often not...
2016-06-11
15 reads
The COUNT function in T-SQL
The COUNT function is among the most used functions in the T-SQL codes. Even though COUNT is easy to use, it...
2016-06-11
647 reads
The COUNT function in T-SQL
The COUNT function is among the most used functions in the T-SQL codes. Even though COUNT is easy to use, it...
2016-06-11
408 reads
Not More Than 16 Characters?!?
Microsoft, you’re killing me. This is the warning I received when typing in a password for Office 365:
I blinked when...
2016-06-16 (first published: 2016-06-10)
4,091 reads
How To Get A Free SQL Server Indexing Book – Week 2
Free Book! Another free indexing books, more awesome! In last week’s post, I talked about how I’ve got a number of copies of Expert Performance Indexing for SQL Server;...
2016-06-10
10 reads
How To Get A Free SQL Server Indexing Book – Week 2
Free Book!
Another free indexing books, more awesome!
In last week’s post, I talked about how I’ve got a number of copies...
2016-06-10
943 reads
Database Scoped Configurations
In SQL Server 2016, one of the key management improvement is a new feature that is called Database Scoped Configurations.
This...
2016-06-10
2,084 reads
SQL Server 2016 NYC Launch Event - Slide Decks Posted!
Quick post-event follow-up of our very successful SQL Server 2016 NYC Launch Event! We would like to thank ALL our...
2016-06-10
1,422 reads
MS Exams Increasing In Price
Just glanced through the MCP newsletter and see that the price of the exams (or at least the one I...
2016-06-14 (first published: 2016-06-09)
2,655 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