CREATETABLEIFNOTEXISTS`j_position`(`id`int(11)NOTNULLAUTO_INCREMENT,`province_id`bigint(20)unsignedNOTNULL,`province_name`char(64)NOTNULL,`city_id`bigint(20)unsignedNOTNULL,`city_name`char(64)NOTNULL,`county_id`bigint(20)unsignedNOTNULL,`county_name`char(64)NOTNULL,`town_id`big