For 5+Years Experience candidate 

1. Tell about Your Self

2. Input "W, e, l, c, o, m, e"
 Output should be : weLc. 

3. Write a query 3rd Max Salary for emp

4. What is SQL loader

5. Performance Tuning

6. How to do debugging for PL SQL Queries

7.What is cartesian product

8. What is Mutating Errors and how to avoid that

9. In your project how many Packages create

10. What is only one time procedure

11. Diff b/w Union and cartesian products

12. Diff b/w Views and inlineview 

13. If we wants to insert 1 lack records which is best way u can chose

14. Why we use for exception headlining

15. We need to give 10% increment for some particular Id using Bulk Collect

16.What is data migration