http://www.killdb.com/2012/06/20/10g%e4%b8%addistinct%e5%8a%a0%e5%bc%ba%e4%bb%a5%e5%8f%8aanti-jionsemi-jion/ Phone:18180207355 提供专业Oracle/MySQL/PostgreSQL数据恢复、性能优化、迁移升级、紧急救援等服务 Wed, 20 Jun 2012 07:37:00 +0000 hourly 1 https://wordpress.org/?v=5.3.18 http://www.killdb.com/2012/06/20/10g%e4%b8%addistinct%e5%8a%a0%e5%bc%ba%e4%bb%a5%e5%8f%8aanti-jionsemi-jion/#comment-1062 Wed, 20 Jun 2012 07:37:00 +0000 http://www.killdb.com/?p=1228#comment-1062 笔误，已更正，3Q！

]]> http://www.killdb.com/2012/06/20/10g%e4%b8%addistinct%e5%8a%a0%e5%bc%ba%e4%bb%a5%e5%8f%8aanti-jionsemi-jion/#comment-1061 Wed, 20 Jun 2012 06:33:00 +0000 http://www.killdb.com/?p=1228#comment-1061 “我们知道oracle 在处理exist和in时，是使用的anti jion，然而在处理not exists和not in时是用的semi jion” 
这句写反了 🙂

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