多项选择题
A. Schedule object
B. Program object
C. Job object
D. Resource plan
E. Resource consumer group
单项选择题 Whichofthefollowingtasksisnotperformedbythejobcoordinator？（）
单项选择题 Whichofthefollowingcalendaringsyntaxexpressionswouldevaluatetothelastdayofeverymonth？（）
单项选择题 Consider the following code snippet： BEGIN DBMS_SCHEDULER.SET_ATTRIBUTE （ name => ，，lne_job1， attribute => ，，job_priority， value => 1）； END； / If this code were executed， which of the following statements would be true？（）