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Titlebook: Expert SQL Server Transactions and Locking; Concurrency Internal Dmitri Korotkevitch Book 2018 Dmitri Korotkevitch 2018 Locks.Deadlocks.Con

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书目名称Expert SQL Server Transactions and Locking
副标题Concurrency Internal
编辑Dmitri Korotkevitch
视频video
概述Helps you solve issues with blocking, deadlocks, and other concurrency issues in SQL Server systems.Assists you in building high-concurrency applications on a SQL Server foundation.Covers new technolo
图书封面Titlebook: Expert SQL Server Transactions and Locking; Concurrency Internal Dmitri Korotkevitch Book 2018 Dmitri Korotkevitch 2018 Locks.Deadlocks.Con
描述Master SQL Server’s Concurrency Model so you can implement high-throughput systems that deliver transactional consistency to your application customers. This book explains how to troubleshoot and address blocking problems and deadlocks, and write code and design database schemas to minimize concurrency issues in the systems you develop..SQL Server’s Concurrency Model is one of the least understood parts of the SQL Server Database Engine. Almost every SQL Server system experiences hard-to-explain concurrency and blocking issues, and it can be extremely confusing to solve those issues without a base of knowledge in the internals of the Engine. While confusing from the outside, the SQL Server Concurrency Model is based on several well-defined principles that are covered in this book..Understanding the internals surrounding SQL Server’s Concurrency Model helps you build high-throughput systems in multi-user environments. This book guides you through the Concurrency Model and elaborates how SQL Server supports transactional consistency in the databases. The book covers all versions of SQL Server, including Microsoft Azure SQL Database, and it includes coverage of new technologies such a
出版日期Book 2018
关键词Locks; Deadlocks; Concurrency; Transaction Isolation; Isolation Levels; Atomicity; Blocking; Lock Escalatio
版次1
doihttps://doi.org/10.1007/978-1-4842-3957-5
isbn_softcover978-1-4842-3956-8
isbn_ebook978-1-4842-3957-5
copyrightDmitri Korotkevitch 2018
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Optimistic Isolation Levels,na in a system. With optimistic transaction isolation levels, queries read “old” committed versions of rows while accessing data modified by the other sessions, rather than being blocked by the incompatibility of shared (S) and exclusive (X) locks.
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Yu Huang,Min Xiong,Hongqiang HuThis chapter will discuss the key concept in SQL Server concurrency—.. It will provide an overview of the major lock types in SQL Server, explain their compatibility, and, finally, demonstrate how different transaction isolation levels affect the lifetime of the locks in the system.
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Case history: Product matching,A deadlock is a special blocking case that occurs when multiple sessions—or sometimes multiple execution threads within a single session—block each other. When it happens, SQL Server terminates one of the sessions, allowing the others to continue.
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https://doi.org/10.1007/978-3-031-29152-4SQL Server uses two additional lock types called . to prevent table and metadata alterations during query execution. This chapter will discuss schema locks in depth along with low-priority locks, which were introduced in SQL Server 2014 to reduce blocking during online index rebuilds and partition switch operations.
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