select 站名,编号,地址,"" as 水费,"" as 电费,"" as 房租费,"" as 杂费 from t1
union
select 站名,编号,"" as 地址,水费,"" as 电费,"" as 房租费,"" as 杂费 from t2
union
select 站名,编号,"" as 地址,"" as 水费,电费,"" as 房租费,"" as 杂费 from t3
union
select 站名,"" as 编号,"" as 地址,"" as 水费,"" as 电费,房租费,"" as 杂费 from t4
union
select 站名,"" as 编号,"" as 地址,"" as 水费,"" as 电费,"" as 房租费,杂费 from t5