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RE: Sql Query

Sanjay Mishra

2006-05-18

Replies:

Few Weeks Back I posted a question and got few very good response. Actually What I am looking is the big list in single SQL query and cannot use the PL sql or allowed to create the SQL function, I had finally used good points from all reply and created the following SQL. Here I used file_name from dba_data_files . I thought it is good to share as somebody who is reall expert in SQL can do some more fine-tuning. This will atleast work good for mine requirement but may give some issue if the Text cross the Concat restriction.
 
select text from (
select verse, lvl, text, rank() over(partition by verse order by lvl desc) rn
from
  (
    SELECT verse, LEVEL lvl, SYS_CONNECT_BY_PATH(file_name, ',') text
    FROM ( select 1 verse, rownum piece, file_name from dba_data_files )
      CONNECT BY verse = PRIOR verse
             AND piece - 1 = PRIOR piece
      START WITH piece = 1
    )x 
) y
where rn=1
/
 
Any advice or suggestion are most welcome.
Tx
Sanjay

Sanjay Mishra <smishra_97@yahoo.com> wrote:
Ken
 
SQL> select stragg(table_name) from user_tables
  2  /
select stragg(table_name) from user_tables
*
ERROR at line 1:
ORA-06502: PL/SQL: numeric or value error
ORA-06512: at "SYS.STRING_AGG_TYPE", line 17
ORA-06512: at line 1
It works for Group by Clauses like
 select table_name,stragg(index_name) from user_indexes group by table_name
 
Regds
Sanjay


Ken Naim <kennaim@gmail.com> wrote:
Search for stragg on http://asktom.oracle.com
 

From: oracle-l-bounce@freelists.org [mailto:oracle-l-bounce@freelists.org] On Behalf Of Sanjay Mishra
Sent: Thursday, May 04, 2006 1:12 PM
To: oracle-l@freelists.org
Subject: Sql Query
 
Sql Gurus
 
I need to create the sql script that can display all tables from user_tables in one line seperated by ",". Is there any straighforward SQL that can display the result in Horizontal instead of single table in each row.
 
Regds
Sanjay

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