单项选择题
Which of the following is not a valid setting for the PROGRAM_TYPE parameter in a program object or the JOB_TYPE parameter in a job object?（）
A. PLSQL_BLOCK B. JAVA_STORED_PROCEDURE C. STORED_PROCEDURE D. EXECUTABLE E. None of the above are invalid settings.
多项选择题 Which of the following are valid program types for a lightweight job?（）
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?（）
