摘要:
1、You may need to create control files if:All control files are lost because of a failure.The name of a database needs to be changed.The current settings in the control file need to be changed.2、The behavior of multiplexed control files is this:The database writes to all filenames listed for the ini 阅读全文
摘要:
Complete Recovery MethodsClosed database recovery for:System datafilesUndo segment datafilesWhole databaseOpen database recovery,with database initially opened(for file loss)Open database recovery with database initially closed(for hardware failure)Data file recovery with no datafile backup. 阅读全文