復制代碼 代碼如下:

create table insertTest(id int(4),name varchar(12));
insert into insertTest values(100,‘liudehua');
insert into insertTest values(101,‘zhourunfa');
insert into insertTest values(102,‘zhouhuajian');

復制代碼 代碼如下:

insert into insertTest select * from insertTest2;

復制代碼 代碼如下:

INSERT INTO 目標表 (字段1, 字段2, …) SELECT 字段1, 字段2, … FROM 來源表; 

復制代碼 代碼如下:

insert into insertTest2(id) select id from insertTest2;

復制代碼 代碼如下:

 INSERT INTO 目標表 
 (字段1, 字段2, …) 
 SELECT 字段1, 字段2, … 
 FROM 來源表 
 WHERE not exists (select * from 目標表 
 where 目標表.比較字段 = 來源表.比較字段);

復制代碼 代碼如下:

insert into insertTest2
(id,name)
select id,name
from insertTest
where not exists (select * from insertTest2
where insertTest2.id=insertTest.id);

復制代碼 代碼如下:

insert into insertTest
(id, name)
SELECT 100, ‘liudehua'
FROM dual
WHERE not exists (select * from insertTest
where insertTest.id = 100);