中國省市sql

1.查省

SELECT * FROM china WHERE china.Pid=0

2.查市

SELECT * FROM chinaWHERE china.Pid=330000

3.查區

SELECT * FROM china WHERE china.Pid = 330100

4.Mysql腳本

建表

DROP TABLE IF EXISTS `china`;  
CREATE TABLE `china` (  
  `Id` INT(11) NOT NULL,  
  `Name` VARCHAR(40) DEFAULT NULL,  
  `Pid` INT(11) DEFAULT NULL,  
  PRIMARY KEY  (`Id`),  
  KEY `FK_CHINA_REFERENCE_CHINA` (`Pid`),  
  CONSTRAINT `FK_CHINA_REFERENCE_CHINA` FOREIGN KEY (`Pid`) REFERENCES `china` (`Id`)  
) ENGINE=INNODB DEFAULT CHARSET=utf8;  
  

數據

數據放博客放不下，已放到附件