What is the difference between raid 5 and raid 10? Which is better for oracle?
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Describe hit ratio as it pertains to the database buffers. What is the difference between instantaneous and cumulative hit ratio and which should be used for tuning?
How many databases should a dba manage?
What do you understand by a control file?
If a tablespace has a default pctincrease of zero what will this cause (in relationship to the smon process)?
What are the tradeoffs between many vs few indexes? When would you want to have many, and when would it be better to have fewer?
What is a dba programmer?
What do you understand by the term 'normalization'? Explain the various modes of normalization?
What is main function of database administrator?
Tell me about standby database? What are some of the configurations of it?
How can you find dead processes?
What do you mean by oracle dba?
What is oracle partial backup?