单项选择题
A.long
B.timer
C.number
D.varchar2
多项选择题 WhichtwoPL/SQL8featuresaresupportedinOracleForms?()
多项选择题 ouneedtocreateadatablockforqueryoperationsintheRETIRED_EMPLOYEESformmodule.Whichthreedatasourcescanyouuseforthisblock?()
单项选择题 Youwriteaprocedurethatwillbecalledfromtwoleveltriggersandadatabasetrigger.Whereshouldyoustorethiscode?()