数据库缓冲区（Database Buffers） Buffer Cache是SGA区中专门用于存放从数据文件中读取的的数据块拷贝的区域。Oracle进程如果发现需要访问的数据块已经在.
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Even when you used database buffers (such as, the NOTES.INI setting NSF_BUFFER_POOL), the transaction and its data were still required to be committed to disk.
即使使用数据库缓冲时(比如，NOTES . INI设置NSF_BUFFER _ POOL)，事务及其数据也需要提交到磁盘。
If the goal of a change is to reduce the memory footprint of the database, eliminating various buffers will certainly help, at the expense of query speed and application performance.
如果一项修改的目标是减少数据库的内存占用量，那么取消各种缓冲区肯定会有帮助，但是这会牺牲查询速度和应用程序性能。
Compared to other memory buffers, buffer pools have the most significant impact on database performance.
与其他内存缓冲区相比，缓冲池对数据库性能的影响最为显著。
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