You have taken a manual backup of a datafile using os. How rman will know about it?
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What is the difference between cold backup and hot backup?
What are the goals of dba?
How do I become an administrator?
Discuss row chaining, how does it happen? How can you reduce it? How do you correct it?
What are the beneficial tools for administering the database?
You are getting busy buffer waits. Is this bad? How can you find what is causing it?
When should an artificial (or derived) primary key be used?
Tell me about standby database? What are some of the configurations of it? What should we watch out for?
What is a production dba?
Guideline for sizing db_block_size and db_multi_block_read for an application that does many full table scans?
Where would you look to find out if a redo log was corrupted assuming you are using oracle mirrored redo logs?
What does a dba do all day?