What is oracle archived redo log?
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How can you tell if an index on particular table is used or not used in 9i?
How can you find out how many users are currently logged into the database? How can you find their operating system id?
How many databases should a dba manage?
What is difference between co-related sub query and nested sub query?
Why are recursive relationships bad? How do you resolve them?
When using oracle export/import what character set concerns might come up? How do you handle them?
What is the difference between truncate and delete? Why is one faster? Can we rollback both? How would a full table scan behave after?
Discuss row chaining, how does it happen? How can you reduce it?
What is the most common database language that a db administrator needs to know?
What is a dba?
How can you determine the number of sqlnet users logged in to the unix system?
How do you prevent output from coming to the screen?