近一月客户新增常规里程数与额度比即上个月 第一天(包含)到上个月最后一天(包含)
字段是batch_date==>格式是 yyyymmdd
select replace(trunc(add_months(current_date,-1),'MM'),'-',''); +-----------+--+ | _c0 | +-----------+--+ | 20181201 | +-----------+--+
select replace(trunc(current_date,'MM'),'-',''); +-----------+--+ | _c0 | +-----------+--+ | 20190101 | +-----------+--+
--限定条件 where batch_date >= replace(trunc(add_months(current_date,-1),'MM'),'-','') and batch_date< replace(trunc(current_date,'MM'),'-','')