单项选择题
he data blocks in your form module are based on object tables. How would you create a master-detail relationship between two of these blocks?（）
A.Use the Data Block Wizard and base the relation on a REF pointer.
B.In the Object Navigator, select the Relation node under the master block and click the Create icon. Build the relation manually and coordinate the blocks using triggers.
C.Use the Data Block Wizard, and base the relation on the primary key-foreign key relationship in the database.
D.This task is not possible because master-detail relations can be implemented only for blocks based on relational tables.
相关考题
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单项选择题
Whichstatementaboutwindowsandblocksistrue?（）
A.Transaction management is block-oriented rather than window-oriented.
B.Forms automatically navigates to an item located in an activated window.
C.A window may contain multiple blocks, but each block can only span one window.
D.A window can contain multiple canvases, and an item can be located on multiple canvases. -
单项选择题
YouaredevelopingaHotelBookingapplicationforatravelcompany.Theusersrequestawizard-styleinterfaceforthisapplication.Howcouldyousatisfythisrequirement?（）
A.Reference the Object Iron packages in your form module.
B.Write an HTML interface, and invoke it from your form module.
C.Include the Wizard class reusable component in your application.
D.Build a customized wizard using tab canvases and a horizontal toolbar canvas. -
单项选择题
Whichbuilt-inwouldyouusetotestwhethertheCREATETABLEcommandissuedintheSALESformexecutedsuccessfully?（）
A.FORMS_DDL
B.DO_SQL
C.FORM_SUCCESS
D.FORM_NOT_SUCCESS
E.DBMS.ERROR_CODE
