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专栏：sqlserver的秘密

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Release： 2016-06-07 15:51:36
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[数据库] 阻塞与死锁 之五 分析 总结以上分析，如果数据库应用开发者或管理员想要影响SQLServer锁的申请和释放行为，以缓解阻塞或死锁问题，需要考虑的因素有：1. 事务隔离级别的选定。事务隔离级别越高，隔离度就越高，并发度也就越差。如果选择了比较高的

[数据库] 阻塞与死锁 之五 分析

总结以上分析，如果数据库应用开发者或管理员想要影响SQLServer锁的申请和释放行为，以缓解阻塞或死锁问题，需要考虑的因素有： 1.   事务隔离级别的选定。 事务隔离级别越高，隔离度就越高，并发度也就越差。如果选择了比较高的隔离级别，SQLServer不可避免地要申请更多的锁，持有的时间也会增加。所以在设计应用的时候，一定要和用户谈好，尽量选择默认的隔离级别（READCOMMITTED）。...

sql server sqlserver delete 数据库 insert

niyi0318 2012-10-19 10:20 阅读(531) 评论(0)

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