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SQL Server 2017 Query Performance Tuning: Troubleshoot and Optimize Query Performance
book

SQL Server 2017 Query Performance Tuning: Troubleshoot and Optimize Query Performance

by Grant Fritchey
September 2018
Intermediate to advanced
947 pages
21h 36m
English
Apress
Content preview from SQL Server 2017 Query Performance Tuning: Troubleshoot and Optimize Query Performance
© Grant Fritchey 2018
Grant FritcheySQL Server 2017 Query Performance Tuninghttps://doi.org/10.1007/978-1-4842-3888-2_22

22. Causes and Solutions for Deadlocks

Grant Fritchey1 
(1)
Grafton, Massachusetts, USA
 

In the preceding chapter, I discussed how blocking works. Blocking is one of the primary causes of poor performance. Blocking can lead to a special situation referred to as a deadlock, which in turn means that deadlocks are fundamentally a performance problem. When a deadlock occurs between two or more transactions, SQL Server allows one transaction to complete and terminates the other transaction, rolling back the transaction. SQL Server then returns an error to the corresponding application, notifying the user that he has been chosen as a deadlock ...

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Publisher Resources

ISBN: 9781484238882Purchase LinkPublisher Website