Which three objects can be components of a menu module?（） 

单项选择题YoucreateadatablockbasedonarelationtablecontainingaREFcolumn.YouselecttheREFcolumnforyourformmodule.WhichstatementabouttheREFcolumnistrue?（）

A.It is created as a nondisplay item. 
B.The Lock Record property is set to Yes. 
C.It cannot be referenced in item level triggers. 
D.It is placed on the canvas with the highest sequence number.

单项选择题WhichvalueisvalidfortheiterateparameterinSET_TIMERbuilt-inprocedure?（）

A.REUSE 
B.RECYCLE 
C.NO_CHANGE 
D.OCCURRENCE

单项选择题WherecanyouaddyourownPL SQLcodeinrelation-handlingtriggers?（）

A.Before the "End default relation program section" comment. 
B.After the "Begin default relation program section" comment. 
C.Before the "Begin default relation program section" comment. 
D.It is not possible to modify the relation-handling code that Forms automatically creates for relations.

单项选择题Theaccountingmanagerwantsyoutocreateaformthatwhenqueriedwilldisplayacalculatedtotalofyear-to-dateactualexpendituresforthefoundcodeentered.Thevaluesneededtogeneratethissummarydataarestoredinmultipletables.WhichdatasourcetypecanyouassigntothedatablockforthisformwithouthavingtheDBAcreateadatabaseobject?（）

A.database table 
B.transactional trigger 
C.stored procedure 
D.FROM clause query 
E.client-side procedure

单项选择题YoucreatedacustommenufortheOrderEntryapplication.Theshippingadministratorhasrequestedanadditionalsubmenucontainingfouritemstoinvokevariousreports.Whichcommandtypemustyouusetoidentifytheparentmenuitemasasubmenu?（）

A.Menu 
B.Plus 
C.Macro
D.PL/SQL