About me:Oracle ACE pro,optimistic,passionate and harmonious. Focus on ORACLE,MySQL and other database programming,peformance tuning,db design, j2ee,Linux/AIX,Architecture tech,etc
全部博文(191)
发布时间:2013-04-25 11:19:22
pk problem主键问题发表时间:2012-7-12
博文地址:http://jonathanlewis.wordpress.com/2012/07/12/pk-problem/
这篇文章主要介绍如何对存在的表快速创建primarykey(unique key)的方法以及ORACLE内部处理的相关问题进行探讨。......【阅读全文】
发布时间:2013-04-25 11:17:00
Jonathan lewis,大家都知道,从1988年就开始搞ORACLE,国际著名数据库大师,对ORACLE各种机制非常了解,他一直坚持写文章,每篇文章都很深入,他的文章尤其以优化居多,研究ORACLE各种内部机制。就从他的文章开始吧(注意:并不是原文翻译,会加入自己写的东西,核心内容应该差不多)。......【阅读全文】
发布时间:2013-04-25 11:07:07
自动类型转换如果不了解其中的规则,往往影响SQL,PL/SQL性能,所以有必要总结一下。......【阅读全文】
发布时间:2013-04-25 10:53:54
11.2.0.1 sequence bug,在插入语句的时候不是从最小值开始,从第2个值开始。下面以1测试......【阅读全文】
吻的感觉适2025-07-18 23:11
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