<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[congmin0124的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/congmin0124</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; congmin0124]]></copyright><item><title><![CDATA[oracle-startup过程]]></title><link>https://blog.youkuaiyun.com/congmin0124/article/details/100366168</link><guid>https://blog.youkuaiyun.com/congmin0124/article/details/100366168</guid><author>congmin0124</author><pubDate>Thu, 16 Jun 2011 10:21:17 +0800</pubDate><description><![CDATA[1.NOMOUNT
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这一步只和参数文件有关，如果在这一步就出现问题，那么通常可能是系统配置(如内核参数等)存在问题，需要检查是否分配了足够的系统资源。 
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 Oracle数据库实例启动时，就需要分配共享内存，启动后台进程，如何分配和设置共享内存参数，对于Oracle来说是非常重要的。不当的内存分配轻则影响性能，重则导致数据库故障。
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 SGA（System Global Area）是一块用于加载数据、对象并保存运行状态和数据控制信息的一块区域，在数据库实例启动时分配，当实例关闭时释放，每个实例都有自己的SGA。连接到Or...]]></description><category></category></item><item><title><![CDATA[oracle10g 常用数据字典总结]]></title><link>https://blog.youkuaiyun.com/congmin0124/article/details/100366165</link><guid>https://blog.youkuaiyun.com/congmin0124/article/details/100366165</guid><author>congmin0124</author><pubDate>Tue, 14 Jun 2011 23:20:31 +0800</pubDate><description><![CDATA[oracle 10G 常用数据字典总结




V$view
++++++++++++++++++
 1.v$fixed_table
 所有可用的动态性能视图(DICT)
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