How do you set up tablespaces during an oracle installation?
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How can you determine the space left in a file system?
What does >> do?
What is pct free/pct used/pct increase parameter in segment? What is growth factor?
Discuss row chaining, how does it happen? How can you reduce it?
What does a senior database administrator do?
What is the finger command?
What is the difference between truncate and delete? Why is one faster? Can we rollback both? How would a full table scan behave after?
Explain the process you follow to start looking into performance issue at database level(if the application is running very slow, at what points do you need to go about the database inorder to improve the performance?)
What skills should a dba have?
What do you mean by oracle dba and what is its role?
While taking hot backup (begin end backup) what will happens back end?
What are the steps involved in instance recovery in oracle?