events

SQLServerCentral Editorial

Two Events, Two Worlds: A Week in the Life of a Technologist

  • Editorial

Last week, I had the chance to speak at two very different events, and the contrast between them really stuck with me. The first was all a traditional vendor conference-  enterprise-level, built around a well-established product with over 40 years of vendor-driven development. Think polished sponsor tables, polished shoes, and more than a few suits […]

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2025-04-12

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External Article

Meet Redgate at PASS Virtual Summit

  • Article

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: )

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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