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How does an incremental backup differ from a cumulative incremental backup?

April 26, 2017backup cumulative differ incremental

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How does an incremental backup differ from a cumulative incremental backup?

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Contains only blocks that have been modified since the last incremental backup An incremental backup only contains blocks of a control file or the datafiles that have changed since the last incremental backup. A cumulative incremental backup backs up blocks changed since the last cumulative incremental backup and the previously backed up blocks. • Examine this RMAN command: rman> run 2> allocate channel d1 type disk; 3> copy level 0 4> datafile 1 to ‘/backup/file1.dbf’, 5> datafile 2 to ‘/backup/file2.dbf’; Which task will this command accomplish? Create an image copy backup that can be used in an incremental backup.