摘要：
一. 说明在官网看到一篇ASM 升级的文档，如下： How To Upgrade ASM from 10.2 to 11.1 (RAC) http://blog.csdn.net/tianlesoftware/archive/2011/04/25/6362083.aspx Unable To Open Database After ASM Upgrade From Release 11.1 To Release 11.2 http://blog.csdn.net/tianlesoftware/archive/2011/04/25/6362184.aspxRAC 下数据库的升级参考： Redha 阅读全文
摘要：
在官网看到了这段信息，讲的很细。 贴过来。Logical Storage Structureshttp://download.oracle.com/docs/cd/E11882_01/server.112/e16508/logical.htm#CNCPT7668 Oracle Database manages the logical storage space in the data files of a database in units called data blocks, also called Oracle blocks or pages. A data block is the m 阅读全文