如何在Oracle中复制表结构和表数据

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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;

或者：

create table table_name_new like table_name_old

3. 只复制表数据：

如果两个表结构一样：

insert into table_name_new select * from table_name_old

如果两个表结构不一样：

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