bảng truy vấn pivot sql oracle

Của bạn đây:

with w(time, ID, Page) as
(
  select '9:30', 1, 'name1' from dual
  union all
  select '9:30', 1, 'name2' from dual
  union all
  select '9:30', 1, 'name3' from dual
  union all
  select '9:30', 2, 'name4' from dual
  union all
  select '9:30', 2, 'name5' from dual
  union all
  select '7:30', 3, 'name1' from dual
)
select *
from
(
  select w.time, w.id, w.page, row_number() over (partition by w.time, w.id order by w.page) rnk
  from w
)
pivot (max(page) for rnk in (1 as page1, 2 as page2, 3 as page3))
order by 1, 2
;

Điều này mang lại:

TIME    ID    PAGE1    PAGE2    PAGE3
7:30    3     name1        
9:30    1     name1    name2    name3
9:30    2     name4    name5