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SQL Server DMV queries are very useful to check current and historical information. They are widely used during troubleshooting and performance tuning.

To discusses how to reduce planned and unplanned downtime, maximize application availability, and provide data protection using SQL Server 2012 AlwaysOn high availability and disaster recovery solutions.

This covers SQL Server 2005 features that enable appropriately designed solutions to achieve partial availability and remain online after a disk subsystem hardware failure.

Sometimes a poorly designed database or a system that is improperly configured for the workload can cause the slowdowns in SQL Server. Administrators need to proactively prevent or minimize problems and, when they occur, diagnose the cause and take