ICode9

1、复制表结构create table sms_send_record_bak_202220615 as select * from sms_send_record where 1=2; 2、插入短信数据insert into sms_send_record_bak_202220615 select * from sms_send_record where send_date > to_date('2022-05-1 00:00:00','yyyy-mm-dd hh2