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SQL Server 2022 Query Performance Tuning: Troubleshoot and Optimize Query Performance
book

SQL Server 2022 Query Performance Tuning: Troubleshoot and Optimize Query Performance

by Grant Fritchey
November 2022
Intermediate to advanced
731 pages
14h 54m
English
Apress
Content preview from SQL Server 2022 Query Performance Tuning: Troubleshoot and Optimize Query Performance
© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2022
G. FritcheySQL Server 2022 Query Performance Tuninghttps://doi.org/10.1007/978-1-4842-8891-7_17

17. Causes and Solutions For Deadlocks

Grant Fritchey1  
(1)
Grafton, MA, USA
 

A deadlock is a special form of blocking that occurs when two or more transactions each have locks that the other needs. Since neither transaction can release their locks until the transaction is complete, SQL Server is forced to roll back one of the transactions. An error is returned naming the rolled-back transaction as a deadlock victim. This is fundamentally a performance problem, but one that is exacerbated by the need to roll back the transaction and then resubmit the query for processing ...

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Publisher Resources

ISBN: 9781484288917Purchase LinkPublisher Website