You are getting busy buffer waits. Is this bad? How can you find what is causing it?
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When using oracle export/import what character set concerns might come up? How do you handle them?
How do you analyze table partition using oracle provided package?
What happens if a primary key constraint is disabled and then enabled without fully specifying the index clause?
What are the functions of administration?
How do I become a dba?
What is an artificial (derived) primary key? When should an artificial (or derived) primary key be used?
What causes the "snapshot too old" error? How can this be prevented or mitigated?
What is different type of rman backup?
What is difference between logical standby database and physical standby database?
Where would you look to find out if a redo log was corrupted assuming you are using oracle mirrored redo logs?
What happens when the default and temp tablespace clauses are left out from create user statements?
How can you find out how many users are currently logged into the database? How can you find their operating system id?