4. Still within RMAN, run this command to list your backups:
list backup of database;You will see the first backup, made in Exercise 15-1, is incremental level 0 and
will be over 1GB. The second backup is incremental level 1, and only a few
megabytes. This is because very little data has been changed between the two
backups. But note that the time taken did not drop proportionately.
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