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ORA-03113: end-of-file on communication channel
ORA-03113: end-of-file on communication channel SQL> startup mountORACLE instance started. Total System Global Area 778387456 bytesFixed Size 1374808 bytesVariable Size 478152104 bytesDatabase Buffers使用RMAN进行排除表空间备份
使用RMAN进行排除表空间备份 在RMAN的备份中，可以通过Exclude命令排除某些不需要备份的表空间。这样可以缩减备份的容量，对备份进行适当优化和调整。 排除某个表空间可以使用类似如下命令：configure exclude for tablespace users; 其设置可以在RMAN中通过show exclude命令来查看。How to delete expired or obsolete archvielog files.
How to delete expired or obsolete archvielog files. RMAN provided two commands for deleting archive log.1.delete expired archivelog2.backup archivelog all delete input These command can delete archive logs based on the input provided. There were two th