create or replace view v_nameasselect t1.*,t2.*,t3.*from A表 t1, B表 t2, C表 t3where t1.a=t2.b and t2.b1=t3.c

CREATE TABLE `aa_user` ( `id` int(10) NOT NULL, `name` varchar(10) DEFAULT NULL, `age` int(10) DEFAULT NULL, PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=utf8;INSERT INTO `aa_user` VALUES ('1', 'zs', '18');INSERT INTO `aa_user` VALUES ('2', 'ls', '20');INSERT INTO `aa_user` VALUES ('3', 'ww', '19');CREATE TABLE `tb` ( `id` int(10) NOT NULL, `fid` int(10) DEFAULT NULL, `cc` int(10) DEFAULT NULL, PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=utf8;INSERT INTO `tb` VALUES ('1', '1', '60');INSERT INTO `tb` VALUES ('2', '1', '70');INSERT INTO `tb` VALUES ('3', '2', '80');INSERT INTO `tb` VALUES ('4', '2', '90');

CREATE or REPLACE view aa_ta_view ASselect a.*,b.fid,b.cc from aa_user a,tb b where a.id = b.fid;