多项选择题
Which of the following are valid program types for a lightweight job？（）
A. PLSQL_BLOCK B. EXECUTABLE C. JAVA_STORED_PROCEDURE D. STORED_PROCEDURE E. EXTERNAL
多项选择题 Whichofthefollowingobjectscanbedirectlyreferencedbyawindowobject？（）
单项选择题 Whichofthefollowingtasksisnotperformedbythejobcoordinator？（）
单项选择题 Whichofthefollowingcalendaringsyntaxexpressionswouldevaluatetothelastdayofeverymonth？（）
