Oracle Interview Questions And Answers

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Oracle Interview Questions And Answers Page 87 of 95 Ans : C 77. If an UNIQUE KEY constraint on DATE column is created, will it accept the rows that are inserted with SYSDATE ? a] Will b] Won't Ans : B 78. What are the different events in Triggers ? a] Define, Create b] Drop, Comment c] Insert, Update, Delete d] All of the above Ans : C 79. What built-in subprogram is used to manipulate images in image items ? a] Zoom_out b] Zoom_in' c] Image_zoom d] Zoom_image Ans : C 80. Can we pass RECORD GROUP between FORMS ? a] Yes b] No Ans : A 81. SHOW_ALERT function returns a] Boolean b] Number c] Character d] None of the above Ans : B 82. What SYSTEM VARIABLE is used to refer DATABASE TIME ? a] $$dbtime$$ b] $$time$$ c] $$datetime$$ d] None of the above Ans : A 83. :SYSTEM.EFFECTIVE.DATE varaible is a] Read only b] Read & Write c] Write only d] None of the above Ans : C