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Comparison of Read Committed and Serializable Isolation (321)

原创 ERP 作者:tsinglee 时间:2007-12-07 12:13:02 0 删除 编辑

Oracle gives the application developer a choice of two transaction isolation levels with
different characteristics. Both the read committed and serializable isolation levels
provide a high degree of consistency and concurrency. Both levels provide the
contention-reducing benefits of Oracle’s read consistency multiversion concurrency
control model and exclusive row-level locking implementation and are designed for
real-world application deployment.

已提交读取隔离与串行化隔离的比较
1. 两者都提供了高密度的并发访问和一致性
2. 两者利用Oracle的读一致性, 多版本并发控制和排他的行级别锁来减少并发事务的竞争

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