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Free eBook: Fundamentals of SQL Server 2012 Replication

Fundamentals of SQL Server 2012 Replication provides a hands-on introduction to SQL Server replication. The book introduces you to the technologies that make up replication, and then walks you through setting up different replication scenarios. When you've finished reading, you should be able to implement your own multi-server replication setup while following the principle of least privilege.

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Normal Forms

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.

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Question of the Day

BIT_COUNT() IV

In SQL Server 2025, I run this code:

select bit_count('A')
What is returned?

See possible answers