Oracle interview questions

1. What are the built-in functions used for sending Parameters to forms?
2. Can you have more than one content canvas view attached with a window?
3. Is the After report trigger fired if the report execution fails?
4. Does a Before form trigger fire when the parameter form is suppressed?
5. Is it possible to split the print reviewer into more than one region?
6. Is it possible to center an object horizontally in a repeating frame that has a variable horizontal size?
7. For a field in a repeating frame, can the source come from the column which does not exist in the data group which forms the base for the frame?
8. Can a field be used in a report without it appearing in any data group?
9. The join defined by the default data link is an outer join yes or no?
10. Can a formula column referred to columns in higher group?
11. Can a formula column be obtained through a select statement?
12. Is it possible to insert comments into sql statements return in the data model editor?
13. Is it possible to disable the parameter from while running the report?
14. When a form is invoked with call_form, Does oracle forms issues a save point?
15. Can a property clause itself be based on a property clause?
16. If a parameter is used in a query without being previously defined, what diff. exist betw. report 2.0 and 2.5 when the query is applied?
17. What are the sql clauses supported in the link property sheet?
18. What is trigger associated with the timer?
19. What are the trigger associated with image items?
20. What are the different windows events activated at runtime?