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SQLServerCentral Article

SQL Server Execution Plans, Second Edition by Grant Fritchey

Every Database Administrator, developer, report writer, and anyone else who writes T-SQL to access SQL Server data, must understand how to read and interpret execution plans. This book leads you right from the basics of capturing plans, through how to interrupt them in their various forms, graphical or XML, and then how to use the information you find there to diagnose the most common causes of poor query performance, and so optimize your SQL queries, and improve your indexing strategy.

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2017-02-02

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SQLServerCentral Article

The Effect of NOLOCK on Performance

Using hints in a query is something that most DBAs don't ever seem to bother with, but when they do, NOLOCK seems to be their hint of choice. Wayne Fillis brings us a detailed examination of how this particular hint actually affects the performance of your system.

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2017-02-02 (first published: )

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SQLServerCentral Article

Understanding Graphical Execution Plans - Part 3: Analyzing the Plan

Learn how to examine and read a SQL Server execution plan in this article. This is the third part of a short series from Darren White that examines execution plans and imparts the basics on an important skill for DBA's and SQL developers alike.

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2017-02-02 (first published: )

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Question of the Day

Increase Deadlock Detection

How can I alter the deadlock detection interval to 2 seconds instead of 5 seconds on my SQL Server 2025 instance?

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