You are creating a form that will access an Oracle8 database. On which three sources can you base a data block?（）

单项选择题YouneedtocreateadatablockforDMLoperationsintheNEW_EMPLOYEEformmodule.Whichdatasourcecanyouuseforthisblock?（）

A.REF cursor query. 
B.Stored function. 
C.From clause query. 
D.Transactional trigger.

单项选择题YouincludethecalendarclassinyourHotelBookingapplication.Whichadditionalformlevelobjectswillyouneedtocreatetoimplementthisreusablecomponentfully?（）

A.Blocks 
B.Visual attributes. 
C.Stacked canvas. 
D.Nothing further needs to be created.

单项选择题Youestablishedaccesstomenumodulesusingroles.Whiletestingtheapplication,youneedaccesstoallthemenusintheSALESformmoduleforalltheroles.WhichmethodwilloverridetheMenuModuleRolespropertytoallowyoutoaccessallthemenuitems?（）

A.Disable the values for the Menu Module Roles property. 
B.Set the Use Security value in the form module Property Palette to 'True'. 
C.Set the Use Security value in the form module Property Palette to 'False'. 
D.Set the Use Security value in the menu module Property Palette to 'True'. 
E.Set the Use Security value in the menu module Property Palette to 'False'. 

单项选择题WhatdoestheFIND_MENU_ITEMbuilt-infunctionreturn?（）

A.The internal ID of a menu. 
B.The internal ID of a menu item. 
C.The internal ID of a menu module. 
D.The internal ID of form module to which the menu is attached.

单项选择题YouarecreatingtheCUST_PREMIUMdatablockintheAUTO_INSURANCEform.Anewstatelawrequiresthatpremiumsbeloweredfordriverswithagooddrivinghistory.Becausethiscouldpotentiallyaffectalargenumberofrecords,youwanttobasethedatablockonastoredprocedurereturningatableofrecords.Whichstatementsupportsthisapproach?（）

A.A table of records is efficient in terms of network traffic. 
B.A table of records improves developer productivity because the database administrator does not have to create a server side view. 
C.A table of records is efficient because the number of records fetched depends on the Array Fetch property value.
D.Your coding effort is simplified since DML operations are handles by setting form module properties.