Articles

External Article

Storage 101: Cloud Storage

Throughout this series, Roberts Sheldon has discussed a range of storage-related topics, some of which he mentions only briefly. One of those is cloud storage, which now plays a vital role in today’s data management strategies. Organizations of all types and sizes now employ cloud storage to varying degrees, either to supplement their on-premises systems or to handle the bulk of their data. Because cloud storage has become so pervasive, this article focuses exclusively on that topic, describing what it is, how it works, and its benefits and challenges.

2020-07-10

External Article

Simple Database Development with SQL Change Automation

SQL Change Automation makes automation simple enough that it can adapt to suit many different approaches to SQL Server database development. Phil Factor describes a project to update the Pubs database, using it in combination with a PowerShell function and to maintain in source control the build scripts, migration scripts and object-level scripts, for every version of the database.

2020-07-08

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The Hidden Security Risks of Role Combination in SSAS Tabular

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The Empty Aggregate

By Steve Jones - SSC Editor

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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