Brian Kelley

Brian Kelley is an author, columnist, and Microsoft SQL Server MVP focusing primarily on SQL Server security. He is a contributing author for How to Cheat at Securing SQL Server 2005 (Syngress), Professional SQL Server 2008 Administration (Wrox), and Introduction to SQL Server (Texas Publishing). Brian currently serves as an infrastructure and security architect. He has also served as a senior Microsoft SQL Server DBA, database architect, developer, and incident response team lead.
  • Interests: Chess, Reading, Soccer (Football), Baseball, Animals, Theology

Technical Article

Another Reason to Avoid Cross-Database Ownership Chaining

This past weekend we were moving database files around because we added new LUNs to an existing production cluster. We went at the old tried and true way, we detached the databases, moved the files, and re-attached the databases. That seemed to work well...

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2009-02-20

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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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