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Message from discussion SQL Query: Switching Rows to Columns dynamically.
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Anil G  
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 More options Oct 16 2006, 6:45 pm
Newsgroups: comp.databases.oracle.misc
From: "Anil G" <anil.got...@gmail.com>
Date: 16 Oct 2006 15:45:11 -0700
Local: Mon, Oct 16 2006 6:45 pm
Subject: SQL Query: Switching Rows to Columns dynamically.
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Guys:

I am looking to develop SQL query which will switch the rows to
Columns. I was trying with DECODE statements but that leads to
hardcoding of types. Any one has any clues to develop dynamic logic to
convert rows to columns. Following is detailed information about
problem.

Thanks in advance,
Anil G

----------------------------------------- problem statement
---------------------------------------------------------------
type_tbl
+ name

data_tbl
+ org
+ type_name
+ data_value (FK to type_tbl)

-----
Data layouts: type_tbl, user can keep adding types from the
application.

type_tbl
--------
T-1
T-2
T-3
T-4
..
..

data_tbl
-------
org                     type_name       data_value
----            ---------               -----------
O-1                     T-1                                             100
O-1                     T-2                                             30
O-1                     T-3                                             45
O-2                     T-1                                             100
O-2                     T-4                                             30
O-3                     T-1                                             45

Desired Output:
---------------------------------------------------

org     T-1     T-2     T-3     T-4 .....
--- --- ---     ---     ---     --
O-1     100     30      45
O-2     100     0               0               25
O-3     45

--------------------------------------------------------- Ends
-------------------------------------------------------------


 
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