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Meet Redgate at PASS Virtual Summit

Redgate are Gold sponsors of PASS Virtual Summit, which this year is available to all online. It's time to accelerate your data career by joining Redgate's Advocates who will be presenting a variety of sessions, as well as demo solutions throughout the week of 11 - 13 November. See what's happening and register today.

2020-11-09 (first published: )

SQLServerCentral Article

Service Broker Part 1: Service Broker Basics

This article covers SQL Server 2008 Service Broker, an asynchronous messaging framework that is directly integrated within the relational engine of SQL Server. The series will provides you with the basics about implementing Service Broker applications and how you can transparently scale them out to support any required workload.

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2020-11-06 (first published: )

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The Empty Aggregate

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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]
GO
What 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