Technical Article

Intervals and Counts - Part 1

When using SQL Server, you frequently need to work with data that represents intervals of time. For example, consider intervals representing sessions, contracts, projects, and so on. Tasks related to interval manipulation are typically quite intriguing, especially because coming up with efficient solutions isn't easy. Itzik Ben-Gan explains

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Baselining with SQL Server Dynamic Management Views

When you're monitoring SQL Server, it's better to capture a baseline for those aspects that you're checking, such as workload, Physical I/O or performance. Once you know what is normal, then performance tuning and resource provisioning can be done in a timely manner before any problems becomes apparent. We can prevent problems by being able to predict them. Louis shows how to get started.

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Question of the Day

How Long is a Long I/O?

In SQL Server 2025, a long I/O is recorded in the error log with message 833. How long much an I/O request be outstanding before this message is written to the log?

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