You are getting busy buffer waits. Is this bad? How can you find what is causing it?
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The system has a program that always includes the word nocomp in its name, how can you determine the number of processes that are using this program?
How can you determine if an index needs to be dropped and rebuilt?
What are the roles and responsibilities of oracle dba?
You look at the dba_rollback_segs view and see that you have a large number of wraps is this a problem?
What is main function of database administrator?
What is difference between co-related sub query and nested sub query?
While taking hot backup (begin end backup) what will happens back end?
What is the purpose of the import option ignore? What is its default setting?
using hot backup without being in archive log mode, can you recover in the event of a failure? Why or why not?
Can you remove an open file under unix?
How many types of dba are there?
How do you set up tablespaces during an oracle installation?