摘要:
sysdate 为现在时间sysdate-1为昨天trunc(sysdate-1)为昨天凌晨0:00trunc(sysdate-1)+20/24 为昨天晚上8点select trunc(sysdate-1)+20/24 from dual;insert into personalvalues(to_date(sysdate,'yyyy-MM-dd HH24:mi:ss'));select (sysdate-1) ReadTime,2 orderstatus,count(t.info_id) productNumber,sysdate Createtime from rd_dem 阅读全文