1. Name the tool for tuning SQL statements.
Correct Answer is : EXPLAIN PLAN
2. What is mean by PGA ?
Correct Answer is : Program global area
3. _________allow you to overload procedures or functions.
Correct Answer is : Packages
4. Which type of index should be used on a fact table?
Correct Answer is : A bitmap index
5. What command is used to encrypt a PL/SQL application?