摘要： 原帖地址 http://www.killdb.com/?p=390什么是os block header？它有哪些作用？如果它损害了怎么办？下面是关于os block header的解释，来自MOS。The OS Block Header is in the first datafile block. It is used by Oracleto store Operating System information.It is the Block Zero. It is not the datafile header which is in Oracle Block 1.Corruption i 阅读全文