创建视图，多表联

创建视图，多表联合：
select `comment`.`phone` AS `phone`,`comment`.`rtime` AS `rtime` from `vcomment` union select `vshare`.`send_phone` AS `phone`,`share`.`rtime` AS `rtime` from `share` union select `support`.`phone` AS `phone`,`support`.`rtime` AS `rtime` from `support`