weixin_39590472的博客方案一:SELECT count(*) total FROM UCP_MESSAGEREJECT um LEFT JOIN UCP_MESSAGECENTER uc ON UM.MSGID=UC.ID AND UC.SENDUSERDETCODE='20400' WHERE UC.SENDTIME between to_date('2019-06-19 17:00:00','yyyy-mm...
DC影视圈的博客select * from GPS_LOG t where to_char(t.gps_time,'hh24:mm:ss')>='15:30:00'and to_char(t....='17:00:00' order by t.gps_time…要实现这个功能需要用到trunc这个函数对时间的操作 select trunc(sysdate) fr...