mysql replace into和 insert into ... on duplicate update 区别


参考了两篇文章,还是没有明白,问什么replace into 避免可seek 磁盘

http://blog.csdn.net/mchdba/article/details/8647560

http://www.tokutek.com/2010/06/making-replace-into-fast-by-avoiding-disk-seeks/

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