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Securing SQL Server with DoD guidelines

  • Article

Making sure your SQL Servers are secured against malicious users is difficult. The United States Defense Information Systems Agency (DISA) publishes a set of guidelines for organizations securing different pieces of software that connect to the US Department of Defense’s networks (DoD). Whether you’re working with the DoD or not, these Security Technical Implementation Guides (STIGs) are a good resource to help you understand potential security vulnerabilities and mitigate them.

2021-02-22

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Normal Forms

  • Article

To prevent data change anomalies, a database should be normalized. Did you know that there are 10 normal forms? In this article, Joe Celko reviews normalizing databases including commonly used normal forms.

2020-12-15

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Question of the Day

BIT_COUNT II

In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:

UserID  UserPermissions
15
23
37
4       NULL
What is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount
from dbo.UserPermission
where UserID = 4;

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