• Oracle

    Oracle RMAN Recovery manager-13

    RMAN- Recovery manager It’s a utility and an oracle internal tool. Keyword — rman Features of RMAN RMAN only backup the used block, incremental backup with block change tracking and optimization on archivelog. Whereas hot & cold backup.  Less space used. From 10g onwards, You can backup used +free data by rman. It’s called image copy. Used data backup is called backupset backup. Default one. All data backup — Image copy Used backup–Backupset By default, We can compress the currently not used & unused block compression to skip datafile blocks RMAN also supports binary compression of backup sets. The supported algorithms are BZIP2 (default) – max compression and ZLIB –…