create table ...as备份表和create table xxx like xxx 复制表结构
使用createtable…as备份表源表建表语句CREATETABLEdc_ods.miu_company_member_acct_itme_info_ods(acctitemidSTRING,memberidSTRING,acct_type_codeSTRING,total_amountDECIMAL(10,0),freeze_amountDECIMAL(10,0),overdue_amoun