记得提供建表脚本和测试数据：

http://www.itpub.net/thread-1348543-1-1.html

create table t_deposit

(

name varchar2(10),

amount number,

d_date        date

);

with t as (select name, amount, trunc(sysdate-d_date) days from t_deposit)

select name,

sum(d0to30) as d0to30,

sum(d30to90) as d30to90,

sum(d90to120) as d90to120,

sum(d120to0) as d120to0

from

(

select name,

case when days<=30 then amount else 0 end as d0to30,

case when days>30 and days <=90 then amount else 0 end as d30to90,

case when days>90 and days <=120 then amount else 0 end as d90to120,

case when days>120 then amount else 0 end as d120to0

from t

)group by name;

insert into t_deposit (d_date, name, amount)

values (to_date('2011-01-10','YYYY-MM-DD'), 'A', 100);

insert into t_deposit(d_date, name, amount)

values (to_date('2011-02-18','YYYY-MM-DD'), 'A', 200);

insert into t_deposit(d_date, name, amount)

values (to_date('2011-03-18','YYYY-MM-DD'), 'A', 200);

insert into t_deposit(d_date, name, amount)

values (to_date('2011-04-18','YYYY-MM-DD'), 'A', 200);

insert into t_deposit(d_date, name, amount)

values (to_date('2011-04-30','YYYY-MM-DD'), 'A', 280);

with t as (select name, amount, trunc(sysdate-d_date) days from t_deposit)

select name,

sum(d0to30) as d0to30,

sum(d30to90) as d30to90,

sum(d90to120) as d90to120,

sum(d120to0) as d120to0

from

(

select name,

case when days<=30 then amount else 0 end as d0to30,

case when days>30 and days <=90 then amount else 0 end as d30to90,

case when days>90 and days <=120 then amount else 0 end as d90to120,

case when days>120 then amount else 0 end as d120to0

from t

)group by name;

[本帖最后由 guostong 于 2011-7-15 05:25 编辑]