Oracle Interview Questions And Answers

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Oracle Interview Questions And Answers Page 77 of 95 13. Which of the following is not an reason for the fact that most of the processing is done at the server ? a] To reduce network traffic. b] For application sharing, c] To implement business rules centrally, d] None of the above Ans : D 14. Can a DIALOG WINDOW have scroll bar attached to it ? a] Yes, b] No Ans : B 15. Which of the following is not an advantage of GUI systems ? a] Intuitive and easy to use., b] GUI's can display multiple applications in multiple windows c] GUI's provide more user interface objects for a developer d] None of the above Ans :D 16. What is the difference between a LIST BOX and a COMBO BOX ? a] In the list box, the user is restricted to selecting a value from a list but in a combo box the user can type in a value which is not in the list b] A list box is a data entry area while a combo box can be used only for control purposes c] In a combo box, the user is restricted to selecting a value from a list but in a list box the user can type in a value which is not in the list d] None of the above Ans : A 17. In a CLIENT/SERVER environment , which of the following would not be done at the client ? a] User interface part, b] Data validation at entry line, c] Responding to user events, d] None of the above Ans : D 18. Why is it better to use an INTEGRITY CONSTRAINT to validate data in a table than to use a STORED PROCEDURE ? a] Because an integrity constraint is automatically checked while data is inserted into or updated in a table while a stored procedure has to be specifically invoked