在今天或者今天之前作比较:
select * from JN_BUS_KJLWSBJBXX where dqsj < to_date(\'2007-09-07 00:00:00\',\'yyyy-mm-dd hh24:mi:ss\')
select * from JN_BUS_KJLWSBJBXX where dqsj <= to_date(\'2007-09-07 00:00:00\',\'yyyy-mm-dd hh24:mi:ss\')
在今天或者今天之后作比较:
select * from JN_BUS_KJLWSBJBXX where dqsj > to_date(\'2007-09-07 00:00:00\',\'yyyy-mm-dd hh24:mi:ss\')
select * from JN_BUS_KJLWSBJBXX where dqsj >= to_date(\'2007-09-07 00:00:00\',\'yyyy-mm-dd hh24:mi:ss\')
精确时间:
select * from JN_BUS_KJLWSBJBXX where dqsj = to_date(\'2007-09-07 00:00:00\',\'yyyy-mm-dd hh24:mi:ss\')
在某段时间内的比较:
select * from JN_BUS_KJLWSBJBXX where dqsj between to_date(\'2007-07-07 00:00:00\',\'yyyy-mm-dd hh24:mi:ss\') and to_date(\'2007-09-07 00:00:00\',\'yyyy-mm-dd hh24:mi:ss\')
select * from JN_BUS_KJLWSBJBXX where dqsj < to_date(\'2007-09-07 00:00:00\',\'yyyy-mm-dd hh24:mi:ss\') and update > to_date(\'2007-07-07 00:00:00\',\'yyyy-mm-dd hh24:mi:ss\')
select * from JN_BUS_KJLWSBJBXX where dqsj <= to_date(\'2007-09-07 00:00:00\',\'yyyy-mm-dd hh24:mi:ss\') and update >= to_date(\'2007-07-07 00:00:00\',\'yyyy-mm-dd hh24:mi:ss\')
SELECT * from ZYZB_JZ_FDMHL_ZPH where dqsj > to_date(\'2014-09-20\',\'yyyy-MM-dd\') --时间比较--默认时分秒为 00:00:00
SELECT * from ZYZB_JZ_FDMHL_ZPH where dqsj > to_date(\'2014-09-20\',\'yyyy-mm-dd hh24:mi:ss\') --时间比较
SELECT * from ZYZB_JZ_FDMHL_ZPH where dqsj > to_date(\'2014-09-20 23:59:59\',\'yyyy-mm-dd hh24:mi:ss\') --时间比较--精确时分秒
select * from ZYZB_JZ_FDMHL_ZPH where dqsj = to_date(\'2014-09-23 03:25:00\',\'yyyy-mm-dd hh24:mi:ss\')--时间比较--精确时分秒
SELECT * from ZYZB_JZ_FDMHL_ZPH where to_char(dqsj,\'yyyy-mm-dd\') = \'2014-09-23\'--时间比较--精确时分秒--to_char
同一时刻的日期条件(同一天,某具体时刻)
select IDS , dcno , dc , allcount , gkgl , gkgl_zb , gkdl , gkdl_zb , dkgl , dkgl_zb , dkdl , dkdl_zb , hm , hm_zb , mn , mn_zb , lzym , lzym_zb , HAOMRQ , dqsj
from stati_Rlgl_Pmcsrb_Zh where 1=1 and \'2017-10-24\' = to_char(HAOMRQ,\'yyyy-mm-dd\') order by dcno ASC
select IDS , dcno , dc , allcount , gkgl , gkgl_zb , gkdl , gkdl_zb , dkgl , dkgl_zb , dkdl , dkdl_zb , hm , hm_zb , mn , mn_zb , lzym , lzym_zb , HAOMRQ , dqsj
from stati_Rlgl_Pmcsrb_Zh where 1=1 and HAOMRQ = to_date(\'2017-10-24 09:12:23\',\'yyyy-mm-dd hh24:mi:ss\') order by dcno ASC
向Date类型插入自动的系统时间 ,HAOMRQ, dqsj都是Date类型的数据
insert into STATI_RLGL_PMCSRB_ZH(IDS , dcno , dc , allcount , gkgl , gkgl_zb , gkdl , gkdl_zb , dkgl , dkgl_zb , dkdl , dkdl_zb , hm , hm_zb , mn , mn_zb , lzym , lzym_zb , HAOMRQ, dqsj)
values(666,2,\'三期\',100,7,7,7,7,7,10,7,7,7,7,15,7,7,7,sysdate,sysdate);
oracle语句查询昨天的数据
select IDS , dcno , dc , allcount , gkgl , gkgl_zb , gkdl , gkdl_zb , dkgl , dkgl_zb , dkdl , dkdl_zb , hm , hm_zb , mn , mn_zb , lzym , lzym_zb , HAOMRQ , dqsj
from stati_Rlgl_Pmcsrb_Zh where dc = \'一期\' and to_char(HAOMRQ,\'yyyy-MM-dd\')=to_char(sysdate-1,\'yyyy-MM-dd\') order by dcno ASC