What will you do if in any condition you do not know how to troubleshoot the error at all and there are no seniors or your co-workers around?
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System tablespace cant be exported from one database and imported into another why?
Why are recursive relationships bad? How do you resolve them?
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?
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How long does it take to learn database administration?