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

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Blogs

How to Find Expensive Queries in Amazon Redshift

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Slow-running queries can degrade your Redshift cluster’s performance and lead to increased costs. Identifying...

The Notification Trap: How Input Fatigue Is Killing Deep Work in Tech

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If you've been here before, you know this blog is usually about SQL Server,...

Designing a Storage Load Test for SQL Server

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I’ve been doing storage load tests for SQL Server for a long time, both...

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Forums

How Long is a Long I/O?

By Steve Jones - SSC Editor

Comments posted to this topic are about the item How Long is a Long...

T-SQL Trigonometric Functions in SQL Server

By Imran2629

Comments posted to this topic are about the item T-SQL Trigonometric Functions in SQL...

Half of All Engineers

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Half of All Engineers

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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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