多项选择题
A.vector
B.database view
C.database table
D.transactional trigger
E.PL/SQL table of records
F.multi-dimensional array
单项选择题 Youwriteaprocedurethatwillbecalledfromtwoleveltriggersandadatabasetrigger.Whereshouldyoustorethiscode?（）
单项选择题 IntheCOURSE_ENROLLMENTformmodule,youdefineamaster-detailrelationbetweentheCOURSES_OFFEREDdatablockandtheSTUDENTdatablock,respectively.Toimplementblockcoordination,whichstatementmustbetrue?（）
单项选择题 WhichdatatypeisreturnedbytheFIND_MENU_ITEMbuilt-infunction?（）