mysql从一个表中查数据并插入另一个表实现方法

INSERT INTO  目标表  SELECT  * FROM  来源表 ;

INSERT INTO  newArticles  SELECT  * FROM  articles ;

INSERT INTO  目标表 (字段1, 字段2, ...)  SELECT   字段1, 字段2, ...   FROM  来源表 ;
INSERT INTO TPerson ( UserId, DepId ) SELECT UserId,DepId FROM TUser WHERE 'Status' = 0;

INSERT INTO 目标表  
 (字段1, 字段2, ...)  
 SELECT 字段1, 字段2, ...  
 FROM 来源表  
 WHERE not exists (select * from 目标表  
 where 目标表.比较字段 = 来源表.比较字段); 

insert into t_users 
(userid)
select userid
from t_game_record
where( not exists (select userid from t_users where t_game_record.userid=t_users.userid))

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