oracle 复制表结构 复制表数据 sql 语句
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