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Technical Article

SQL Server 2012 AlwaysOn: Multisite Failover Cluster Instance

SQL Server Failover Clustering, which includes support for both local and multisite failover configurations, is part of the SQL Server 2012 AlwaysOn implementation suite, designed to provide high availability and disaster recovery for SQL Server. The multisite failover clustering technology has been enhanced significantly in SQL Server 2012. The multisite failover cluster architecture, enhancements in SQL Server 2012 to the technology, and some best practices to help with deployment of the technology are the primary focus of this paper.

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2012-11-16

2,732 reads

SQLServerCentral Article

Hierarchies on Steroids #2: A Replacement for Nested Sets Calculations

In this sequel to his first "Hierarchies on Steroids" article, SQL Server MVP Jeff Moden shows us how to build a pre-aggregated table that will answer most of the questions that you could ask of a typical hierarchy. Any bets on whether Santa is packin’ a Tally Table in his bag or not?

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2012-11-15

20,252 reads

Technical Article

FileStream and FileTable in SQL Server 2012

SQL Server 2012 enhanced the SQL Server 2008 FileStream data type by introducing FileTable, which lets an application integrate its storage and data management components to allow non-transactional access, and provide integrated SQL Server services. Arshad Ali explains how.

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2012-11-15

3,038 reads

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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