MySQL insert into select

INSERT INTO tb1 (a,b,c) select a1,b1,c1, from tb2 where ....

注，如需要插入其他字段为固定值，可以这样写

INSERT INTO tb1 (a,b,c,d,e) select a1,b1,c1, "d","e"from tb2 where ....

注：本人为HTML5开发，并非专业的后端开发，如有错误，请见谅