多项选择题
ou need to create a data block for query operations in the RETIRED_EMPLOYEES form module. Which three data sources can you use for this block?（）
A.vector
B.database view
C.database table
D.transactional trigger
E.PL/SQL table of records
F.multi-dimensional array
点击查看答案
相关考题
-
单项选择题
Youwriteaprocedurethatwillbecalledfromtwoleveltriggersandadatabasetrigger.Whereshouldyoustorethiscode?（）
A.On the Oracle server.
B.Locally in each form module.
C.In an attached PL/SQL library
D.On your file network server. -
单项选择题
IntheCOURSE_ENROLLMENTformmodule,youdefineamaster-detailrelationbetweentheCOURSES_OFFEREDdatablockandtheSTUDENTdatablock,respectively.Toimplementblockcoordination,whichstatementmustbetrue?（）
A. The Enforce Primary Key property on the STUDENT block is set to Yes.
B. The Alias property on the COURSES_OFFERED block is set to Student.
C. The Copy Value from item property on the foreign key item in the STUDENT blocks is set to the primary key item of the COURSES_OFFERED block.
D. The Synchronize with item property on the foreign key item in the STUDENT block is set to the primary key item of the COURSES_OFFERED block. -
单项选择题
WhichdatatypeisreturnedbytheFIND_MENU_ITEMbuilt-infunction?（）
A.number
B.Boolean
C.menuitem
D.VARCHAR2
