How can you find out how many users are currently logged into the database?
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How to uncatalog backup?
You see a wait on lms process in statspack, what does that mean?
You have taken import of a table in a database. You have got the integrity constraint violation error. How you are going to resolve it.
You look at the dba_rollback_segs view and see that you have a large number of wraps is this a problem?
What are the skills required for oracle dba?
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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?
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What is the difference between internal & external schema?