oracle复制表结构和复制表数据语句分享
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
https://www.uoften.com/dbs/oracle/20180415/73102.html
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