如果我将COP3330 =设置为COP3330,那么它就不会输出COP3330信息,因为它是= NULL。谢谢!, *COP3502C, *COP3503C, *COP3330, *head, *tail;
COP3223 = CreateList("COP3223", "Intro to ProgrammingScience I", "College of Engineering and Co
我有以下SQL,如果嵌套的order_item_wo_id中不存在该项,则希望该列返回null,如果存在,则返回列oi.cop_workorder_id的值。 cop.wo_id, WHEN EXISTS (SELECT oi.cop_workorder_id WHERE oi.cop_workorder_id = cop.wo_id) T
OVERALL_HEALTH_COMMENT, WHEN RAGRPT.COP_SCHEDULE_STATUS+ RAGRPT.COP_SCOPE_STATUS + RAGRPT.COP_COST_EFT_STATUS + RAGRPT.RMS_RESOURCE_STATUS BETWEEN 40 AND 50THEN 'GREEN'
WHEN RAGRPT.COP</e