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SQLServerCentral Article

Analyze Live Salesforce Data in Infragistics Reveal 

Infragistics Reveal is a data visualization solution that simplifies the way you add embedded analytics and visualizations to your apps. Reveal supports connecting to OData APIs, but many enterprise APIs are not built using the OData standard. By combining Reveal with CData solutions, you can instantly build dynamic dashboards from live enterprise data sources like Salesforce. […]

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2022-01-07

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SQLServerCentral Article

Query control made easy

Overview As we all know, data security is a never-ending battle. Every day, we hear of new data breaches. It's a hard problem, and there is no single solution, other than a defense in depth. Let's look at one of those defenses for databases: query control. Query control is a simple idea: most applications access […]

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2022-01-07

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SQLServerCentral Article

How to (Somewhat) Increase SQL Server Security

Problem Some time ago Argenis Fernandez(@DBArgenis) found and described a vulnerability that allows you to get into SQL Server with 'sa' rights. This method does not require a restart of the SQL Server service or the whole machine, the condition is a local administrator account on the server. Reminder SQL Server until 2008R2: Until SQL 2008R2, […]

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2022-01-03

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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