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What is the full form of dba?
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What is the relation between database and instance?
You have just started a new instance with a large sga on a busy existing server. Performance is terrible, what should you check for?
What are types of data model?
If you had a tablespace, test_tablespace, which consists of three files:test01.dbf, test02.dbf, and test03.dbf, and someone accidentally used the unix command"rm" to delete the file test02.dbf, what else would you need in order to recover all the data thatwas present in test_tablespace at the time that test02.dbf was deleted?
What is the difference between truncate and delete? Can we rollback both? How would a full table scan behave after?
Tell me about standby database? What are some of the configurations of it?
What does the no logging option do? Why would we be careful of using it?
What is oracle full backup?
What skills does a dba need?
What is the difference between a database and instance?
What file will give you oracle instance status information? Where is it located?
Explain the wait events in statspack report 'db scattered read', 'db sequential real', 'enqueue'?
Oracle General 
