oracle 表复制

1. 复制表结构及其数据：

create table table_name_new as select* from table_name_old;

2. 只复制表结构：

create table table_name_new as select* from table_name_old where 1=2;

OR

create table table_name_new like table_name_old;

3.只复制表数据：

insert into table_name_new select *from table_name_old ;

OR

insert into table_name_new(column1,column2...) select column1,column2... from table_name_old;