RMAN Commands - Oracle
docs.oracle.com › cd › B19306_01If SHOW ALL is executed when connected to a target database, only node-specific configurations and database configurations are displayed. Thus, in a standby configuration, SHOW ALL on the primary database or the standby database shows the node-specific configuration for the primary or standby databases, for all values except retention policy ...
RMAN Retention policy — oracle-tech
community.oracle.com › rman-retention-policyFeb 08, 2019 · For example, the RMAN retention policy is 7 days and you make daily incremental level 1 backups, but your last level 0 backup was 30 days ago. In such case, the last level 0 backup and all incremental backups since then are required to restore and recover the last 7 days and are therefore not obsolete.