The RMAN repository must synchronize with the control file to generate accurate information.
In addition, the
CHANGE, UNCATALOG, and CROSSCHECK commands should have been recently executed
for the report.

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NOTES:
SBT - System Backup Tape
CTWR - Change Tracking Writer
RVWR - Recover Log Writer
RMAN - Recovery Manager
ASM - Automatic Storage Management
ADDM - Automatic Database Diagnostic Management
MML - Memony Monitoring Light process
MON - Memony Managaibility Monitoring process
MML- Media Management Layer