[摘要]+-------------+1 row in set (0.01 sec)mysql> select * from user where id=1 union select (select ...
+-------------+
1 row in set (0.01 sec)
mysql> select * from user where id=1 union select (select e.4 from (select * from (select 1)a,(select 2)b,(select 3)c,(select 4)d
union select * from user)e limit 1 offset 3)f,(select 1)g,(select 1)h,(select 1)i;
+-------------+----------+----------+-------------+
关键词：对于Mysql如何巧妙的绕过未知字段名的案例代码详细说明