Oracle
1Z0-062 · Question #358
1Z0-062 Question #358: Real Exam Question with Answer & Explanation
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Exploring the Oracle Database Architecture
Question
Which three statements are true about Oracle checkpoint processing? (Choose three.)
Options
- AFrequent thread checkpoints can degrade database performance
- BDatabase Writer (DBWn) processes write checkpoint information to datafile headers and the
- CIt reduces the recovery time from instance failures
- DIncremental checkpoints write some dirty buffers to the datafiles and unwritten redo to the online
- EThread checkpoints ensure that all dirty buffers are written to data files during a normal shutdown
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Topics
#checkpoint#DBWn#instance recovery#dirty buffers