多项选择题
Which of the following are valid program types for a lightweight job?（）
A. PLSQL_BLOCK PLSQL B. EXECUTABLE C. JAVA_STORED_PROCEDURE D. STORED_PROCEDURE E. EXTERNAL
多项选择题 Which of the following objects can be directly referenced by a window object? （）
单项选择题 Which of the following tasks is not performed by the job coordinator?（）
单项选择题 Which of the following calendaring syntax expressions would evaluate to the last day of every month?（）
