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Agenda:
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1. Understanding backup and recovery concepts
2. Understanding RMAN architecture and different RMAN backups
3. Interview Question & Answers
RMAN Architecture:
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- RMAN Client / RMAN executable
- Target Database
- Recovery Catalog Database (optional)
- Channels
- Server process
- Auxiliary/ Duplicate Database (optional)
- Backups, backup sets, and backup pieces
- Media management layer (optional)
Interview Questions:
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- I don’t have level-0 backup and if I tried starting the level-1 backup what happens?
- Somebody has deleted the block change tracking file. What is the impact on the database?
- Explain the Level 0, Level 1 backups concepts in RMAN?
- Is it possible to take a backup when database is down?
- What all files can be backed up using RMAN?
- Can RMAN take READ ONLY, TEMP and UNDO tablespace backup?
- Explain the expired backup and obsolete backup
#RMAN #Backup #Recovery #RMANlevel0 # RMANlevel1 #Linux #Database #Exadata #RAC #ASM #Oracle
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