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;
 
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
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