（多选题）
Which three statements are true regarding persistent lightweight jobs？（）
A Persistent lightweight jobs modify several tables in the data dictionary to generate a lot of redo.
B The user cannot set privileges on persistent lightweight jobs.
C Persistent lightweight jobs are useful when users need to create a large number of jobs in a short time.
D Persistent lightweight jobs are useful when users need to create a small number of jobs that run infrequently.
E The use of a template is mandatory to create persistent lightweight jobs.
正确答案
答案解析
略
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