一、复制表里面的一条记录并插入表里面
insert into article(title,keywords,desc,contents) select title,keywords,desc,contents from article where article_id = 100

二、复制表里的多条数据/记录，并插入到表里面
INSERT into jiaban (num,overtime) SELECT num,overtime from jiaban where id IN(1,3,5,6,7,9)

三、在创建表时，就插入另一张表里面的某些数据
create table user AS select * from member where id < 10