SQL INSERT INTO SELECT 语句INSERT INTO插入一行数据可以是INSERT INTO Persons (LastName, Address) VALUES ('cway', 'Hometown')插入多行可以使用INSERT INTO SELECT将一个表数据复制到另一个表INSERT INTO Websites (name, country)SELECT app_name, country FROM apps;SELECT INTOselect into from 和 insert into select 都是用来复制表两者的主要区别为： select into from 要求目标表不存在，因为在插入时会自动创建；insert into select from 要求目标表存在。\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\4.SELECT INTOSELECT LastName,FirstnameINTO Persons_backupFROM PersonsWHERE City='Beijing