摘要:
SQL省市区三级表-- 表的结构 areaDROP TABLE area;CREATE TABLE area ( id int NOT NULL , areaID int NOT NULL, area varchar(200) NOT NULL, fatherID int NOT NULL, PRIMARY KEY (id))DROP TABLE city;CREATE TABLE city ( id int NOT NULL , cityID int NOT NULL, city varchar(200) NOT NULL, fatherID int NOT NULL, PRIMARY .. 阅读全文