How can we display 2 rows in a single row with new coulmn names?

Question

Hi,
I have a requiment as shown below.
ME A_END Z_END
1 aaaa
2 zzzzz
I need the above data in the below format.
A_ME Z_ME A_END Z_END
1 2 aaaa zzzzz
How can we achive this?

Answer 1

user6755466 wrote:
Hi Alex,
Thanks for your quick response.
Actually the coulmns ME_ID, A-END, Z-END, etc doesn't have fixed values as you hard coded with values (e.g., 1, 2) in your query.One way is to assign a "row number" to each row and then pivot using the known row numbers of 1, 2 ... etc.
Example:
SQL> ed
Wrote file afiedt.buf
  1  with test as
  2  (
  3  select 3 a_end, 'aaaa ' z_end from dual union all
  4  select 5 a_end, 'zzzzz' z_end from dual
  5  )
  6  select max (decode (rn, 1, a_end)) a_me
  7       , max (decode (rn, 2, a_end)) z_me
  8       , max (decode (rn, 1, z_end)) a_end
  9       , max (decode (rn, 2, z_end)) z_end
10  from (select a_end, z_end
11              ,row_number() over (order by a_end, z_end) as rn
12*       from test)
SQL> /
      A_ME       Z_ME A_END Z_END
         3          5 aaaa  zzzzz
SQL>Here, the values are 3 and 5, but they are assigned a row number based on the order of them and then the decode uses that row number to pivot them.
Of course, as everyone else has pointed out, the best place to be doing this is in a dedicated reporting tool. SQL is not the best of places to pivot data for reporting purposes.