摘要：复制表，包括表结构create table TACE_TRAFFIC_HUB as select * from TACE_TRAFFIC_HUB1复制表中数据，表结构存在insert into TACE_TRAFFIC_HUB select * from TACE_TRAFFIC_HUB1修改表结构alter table pnr_path add (dep_city VARCHAR2(3), arr_city VARCHAR2(3))alter table pnr_path rename column city to dep_cityalter table pnr_path modify de 阅读全文