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DB2 query Using Recursion, Converting Rows to Column


IBM Mainframe Forums -> DB2
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smilewithashu2

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Joined: 28 Dec 2016
Posts: 1
Location: India

PostPosted: Tue Jan 03, 2017 12:50 pm
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I am looking for the query in which I need to convert rows to columns using Db2 recursion:


Input and Output is the attached, I am not looking for the query using CASE as in which case the columns has many values.


Any replies will be appreciated.

Thanks
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Nic Clouston

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Joined: 10 May 2007
Posts: 2455
Location: Hampshire, UK

PostPosted: Tue Jan 03, 2017 4:19 pm
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Please do not use attachments - a simple cut and paste (using the code tags) is sufficient and more efficient.

There is the same topic just a few below yours. was that not sufficient for you?

And there appears to be a sudden 'requirement' for this type of processing due to a competition. as it is a compettion then getting the answer from a forum is cheating. However, you should research CTEs (Common Table Expressions).
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Delip

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Joined: 13 Sep 2007
Posts: 46
Location: Bangalore

PostPosted: Wed Feb 15, 2017 12:37 pm
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Hi,

Can't we use Union all like below,

(select HR NAME, 'HR' DEPARTMENT FROM TABLE WHERE HR > ' ')

UNION
(select FINANCE NAME, 'FINANCE' DEPARTMENT FROM TABLE WHERE FINANCE > ' ')

UNION
.
.
.

Regards,
Dileep
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Nic Clouston

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Joined: 10 May 2007
Posts: 2455
Location: Hampshire, UK

PostPosted: Wed Feb 15, 2017 1:31 pm
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Quote:
Can't we use Union all like below

possibly; but the requirement, for the competition, is to use recursion.
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